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List of Pelecaniformes by population

Topic: Biology

 From HandWiki - Reading time: 18 min

Short description: none

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This is a list of Pelecaniformes species by global population. While numbers are estimates, they have been made by the experts in their fields. For more information on how these estimates were ascertained, see Wikipedia's articles on population biology and population ecology.

The IOC World Bird List (version 15.1) recognizes 118 species of Pelecaniformes, seven of which are extinct.[1] As of December 2025, IUCN/BirdLife International have assessed 111 of these species (excepting dimorphic egret, splits from striated heron, the split of cattle egret, and the extinct Ascension night heron). This list follows IUCN classifications for species names and taxonomy. Where IUCN classifications differ from other ornithological authorities, alternative names/taxonomic statuses are noted.

Several species listed as members of Pelecaniformes are extinct:

  • New Zealand bittern (Botaurus novaezealandiae) - last seen in 1890.[3] IUCN/BirdLife International place this bird in genus Ixobrychus.
  • Ascension night heron (Nycticorax olsoni) - likely went extinct circa 1500.[5] Not listed by IUCN/BirdLife International.

Species by global population

Common name Binomial name Population Status Trend Notes Image
White-bellied heron Ardea insignis 50-249[9] Template:IUCN-CR[9] Decrease[9] Total population is estimated to be 70-400 individuals. 200px
Dwarf ibis

(São Tomé ibis)

Bostrychia bocagei 130-1,700[10] Template:IUCN-CR[10] Decrease[10] Estimate calculated from density and area estimates. Total population estimated to be 190-2,500 individuals.[10] 200px
Giant ibis Thaumatibis gigantea 194[11] Template:IUCN-CR[11] Decrease[11] Minimum estimate. Total population estimated to be 290 individuals.[11] 200px
Northern bald ibis Geronticus eremita 200-249[12] Template:IUCN-EN[12] Steady[12] Estimate for mature individuals only. Species is considered regionally extinct in Europe.[12] 200px
Asian crested ibis

(Crested ibis)

Nipponia nippon 330[13] Template:IUCN-EN[13] Increase[13] Total population estimated to be 550 individuals.[13] 200px
White-shouldered ibis Pseudibis davisoni 670[14] Template:IUCN-CR[14] Decrease[14] Minimum estimate. Estimate for total population is 1,000 individuals.[14] 200px
Malagasy pond heron Ardeola idae 1,000-2,499[15] Template:IUCN-EN[15] Decrease[15] Estimate is for mature individuals only.[15] 200px
Australasian bittern Botaurus poiciloptilus 1,000-2,499[16] Template:IUCN-VU[16] Decrease[16] 200px
Madagascar heron

(Humblot's heron)

Ardea humbloti 1,290-1,500[17] Template:IUCN-EN[17] Decrease[17] Estimate is for mature individuals only.[17] 200px
Malayan night heron Gorsachius melanolophus 1,300-13,000[18] Template:IUCN-LC[19] ?[19] Population on most recent IUCN assessment (2025) Is unknown.[19]

Values retained from 2016 assessment.[18]

200px
Forest bittern Zonerodius heliosylus 1,500-7,000[20] Template:IUCN-NT[20] Decrease[20] Total population is estimated to be 2,500-9,999 individuals.[20] 200px
White-eared night heron Oroanassa magnifica 1,500-15,000[21] Template:IUCN-NT[21] Decrease[21] 200px
Malagasy sacred ibis Threskiornis bernieri 1,733-2,166[22] Template:IUCN-EN[22] Decrease[22] Total population is estimated to be 2,600-3,250 individuals.[22] 200px
Slaty egret Egretta vinaceigula 2,500-3,000[23] Template:IUCN-VU[23] Decrease[23] Total population is estimated to be 3,000-5,000 individuals.[23] 200px
Madagascar crested ibis

(Madagascar ibis)

Lophotibis cristata 2,500-9,999[24] Template:IUCN-VU[24] Decrease[24] Total population is estimated to be <10,000 individuals.[24] 200px
Andean ibis Theristicus branickii 2,500-9,999[25] Template:IUCN-NT[25] Decrease[25] Total population is estimate to be 4,250-13,400 individuals.[25] 200px
Schrenck's bittern

(Von Schrenk's bittern)

Botaurus eurhythmus 2,500-25,000[26] Template:IUCN-NT[26] Decrease[26] Total population estimated to be 1,000-50,000 individuals.[26]

IUCN/BirdLife International still place this bird in genus Ixobrychus.

200px
Black-faced spoonbill Platalea minor 3,000-5,100[27] Template:IUCN-VU[27] Steady[27] Total population estimated to be 6,500-7,500 individuals.[27] 200px
Shoebill Balaeniceps rex 3,300-5,300[28] Template:IUCN-VU[28] Decrease[28] Total population estimated to be 5,000-8,000 individuals.[28] 200px
Chinese egret Egretta eulophotes 4,000-6,000[29] Template:IUCN-VU[29] Decrease[29] Estimate is for mature individuals only.[29] 200px
Japanese night heron Gorsachius goisagi 5,000-9,999[30] Template:IUCN-VU[30] Decrease[30] Total population is estimated to be 7,500-15,000 individuals.[30] 200px
Reddish egret Egretta rufescens 5,000-9,999[31] Template:IUCN-NT[31] Decrease[31] Estimate for mature individuals only.[31] 200px
Puna ibis Plegadis ridgwayi 5,000-20,000[32] Template:IUCN-LC[32] Steady[32] Population estimate is highly uncertain.[32] 200px
Yellow-billed spoonbill Platalea flavipes 6,600-16,600[33] Template:IUCN-LC[33] Steady[33] Total population is estimated to be 10,000-25,000 individuals.[33] 200px
White-necked heron Ardea pacifica 6,700-16,700[34] Template:IUCN-LC[34] Steady[34] Total population is estimated to be 10,000-25,000 individuals.[34] 200px
White-faced heron Egretta novaehollandiae 6,700-66,700[35] Template:IUCN-LC[35] ?[35] Total population is estimated to be 9,999-99,999 individuals.[35] 200px
Rufous-bellied heron Ardeola rufiventris 6,700-66,700[36] Template:IUCN-LC[36] Increase[36] Total population is estimated to be 10,000-100,000 individuals.[36] 200px
Goliath heron Ardea goliath 6,700-66,700[37] Template:IUCN-LC[37] Steady[37] Total population is estimated to be 10,070-100,070 individuals.[37] 200px
Southern bald ibis Geronticus calvus 7,000-8,000[38] Template:IUCN-NT[38] Steady[38] Estimate is for mature individuals only.[38] 200px
Spot-billed pelican Pelecanus philippensis 8,700-12,000[39] Template:IUCN-NT[39] Decrease[39] Total population is estimated to be 13,000-18,000 individuals.[39] 200px
Australian little bittern

(Black-backed bittern)

Botaurus dubius <10,000[40] Template:IUCN-LC[40] Decrease[40] Value given is a tentative guess for number of mature individuals.[40]

IUCN/BirdLife International still places species in Ixobrychus.

200px
Agami heron Agamia agami 10,000-25,000[41] Template:IUCN-NT[41] Decrease[41] Values given are a shaky estimate of number of mature individuals.[41] 200px
Wattled ibis Bostrychia carunculata 10,000-25,000[42] Template:IUCN-LC[42] ?[42] 200px
Sharp-tailed ibis Cercibis oxycerca 10,000-25,000[43] Template:IUCN-LC[43] ?[43] Values given are for total population. This estimate is now considered outdated.[43] 200px
Dalmatian pelican Pelecanus crispus 11,400-13,400[44] Template:IUCN-NT[44] Decrease[44] Estimate is for mature individuals only.[44] 175px
Great-billed heron Ardea sumatrana 11,700-71,700[45] Template:IUCN-LC[45] Decrease[45] Total population is estimated to be 17,500-107,500 individuals.[45] 200px
Olive ibis Bostrychia olivacea 15,000-45,000[46] Template:IUCN-LC[46] Decrease[46] Total population is estimated to be <45,000 individuals.[46] 200px
Pied heron Egretta picata 16,700-66,700[47] Template:IUCN-LC[47] ?[47] Total population is estimated to be 25,000-100,000 individuals.[47] 200px
Black-faced ibis Theristicus melanopis 16,700-66,700[48] Template:IUCN-LC[48] Steady[48] Total population is estimated to be 25,000-100,000 individuals.[48] 200px
Dwarf bittern Botaurus sturmii 16,700-66,700[49] Template:IUCN-LC[49] ?[49] Total population is estimated to be 25,000-100,000 individuals.[49]

IUCN/BirdLife International still place this bird in genus Ixobrychus.

200px
Black heron Egretta ardesiaca 16,700-66,700[50] Template:IUCN-LC[50] Increase[50] Total population is estimated to be 25,000-100,000 individuals.[50] 200px
Yellow-billed egret Ardea brachyrhyncha 16,700-66,700[51] Template:IUCN-LC[51] Increase[51] Total population is estimated to be 25,000-100,000 individuals.[51] 200px
Chinese pond heron Ardeola bacchus 16,700-667,000[52] Template:IUCN-LC[52] Steady[52] Total population is estimated to be 25,000-1,000,000 individuals.[52] 200px
Rufescent tiger-heron Tigrisoma lineatum 18,000-70,000[53] Template:IUCN-LC[53] Steady[53] Total population is estimated to be 27,700-105,500 individuals.[53]

Note: the banner population and population description sections of the cited IUCN assessment disagree. Provided values were chosen to be reported based on agreement between mature and total individual estimates.

200px
Fasciated tiger-heron Tigrisoma fasciatum 20,000-49,999[54] Template:IUCN-LC[54] Decrease[54] Tentative estimate, which is higher than the Wetlands International estimate for total population (c.14,500-17,000 individuals).[54] 200px
African spoonbill Platalea alba 20,700-46,700[55] Template:IUCN-LC[55] Decrease[55] Total population is estimated to be 31,000-70,000 individuals.[55] 200px
Whistling heron Syrigma sibilatrix 23,300-73,300[56] Template:IUCN-LC[56] Steady[56] Total population is estimated to be 35,000-110,000 individuals.[56] 200px
Nankeen night heron Nycticorax caledonicus 24,700-743,000[57] Template:IUCN-LC[57] Steady[57] Total population is estimated to be 37,000-1,113,999 individuals.[57] 200px
White-backed night heron Calherodius leuconotus 25,000-100,000[58] Template:IUCN-LC[58] Decrease[58] Values given are for total population.[58] 200px
White-crested tiger-heron Tigrionrnis leucolopha 25,000-100,000[59] Template:IUCN-LC[59] Decrease[59] Values given are for total population.[59] 200px
Royal spoonbill Platalea regia 25,000-100,000[60] Template:IUCN-LC[60] Steady[60] Values given are for total population. May be an underestimate.[60] 200px
Black bittern Botaurus flavicollis 30,000-214,000[61] Template:IUCN-LC[61] ?[61] Total population is estimated to be 45,002-320,499 individuals.[61]

IUCN/BirdLife International still place this bird in genus Ixobrychus.

200px
Pink-backed pelican Pelecanus rufescens 33,300-66,700[62] Template:IUCN-LC[62] Steady[62] Total population is estimated to be 50,000-100,000 individuals.[62] 200px
Plumbeous ibis Theristicus caerulescens 33,300-66,700[63] Template:IUCN-LC[63] Steady[63] Total population is estimated to be 50,000-100,000 individuals.[63] 200px
Buff-necked ibis Theristicus caudatus 33,300-133,000[64] Template:IUCN-LC[64] Steady[64] Total population is estimate to be 50,000-200,000 individuals.[64] 200px
Western reef-egret

(Western reef heron)

Egretta gularis 36,000-92,700[65] Template:IUCN-LC[65] Steady[65] Total population is estimated to be 54,000-139,000 individuals.[65]

Note that IOC taxonomy splits one additional species, the dimorphic egret, from this species.[1]

IUCN/BirdLife International maintain both species under E. gularis.[66]

200px
Australian pelican Pelecanus conspicillatus 46,700-200,000[67] Template:IUCN-LC[67] Steady[67] Total population is estimated to be 70,000-300,000 individuals.[67] 200px
Hadada ibis Bostrychia hagedash 46,700-267,000[68] Template:IUCN-LC[68] ?[68] Total population is estimated to be 70,000-400,000 individuals.[68] 200px
Capped heron Pilherodius pileatus 50,000-499,999[69] Template:IUCN-LC[69] Decrease[69] Values given are for total population.[69] 200px
Bare-throated tiger-heron Tigrisoma mexicanum 50,000-499,999[70] Template:IUCN-LC[70] Decrease[70] Estimate is for mature individuals only.[70] 200px
Pinnated bittern Botaurus pinnatus 50,000-499,999[71] Template:IUCN-LC[71] Steady[71] Estimate is for mature individuals only.[71] 200px
Green ibis Mesembrinibis cayennensis 50,000-499,999[72] Template:IUCN-LC[72] Steady[72] Estimate is for mature individuals only.[72] 200px
Eurasian spoonbill Platelea leucorodia 52,800-63,900[73] Template:IUCN-LC[73] Increase[73] Total population is estimated to be 79,250-95,850 individuals.[73] 200px
Scarlet ibis Eudocimus ruber 66,700-100,000[74] Template:IUCN-LC[74] Decrease[74] Total population is estimated to be 100,000-150,000 individuals.[74] 200px
Black-headed heron Ardea melanocephala 66,700-333,000[75] Template:IUCN-LC[75] Decrease[75] Total population is estimated to be 100,000-500,000 individuals.[75] 200px
Indian pond heron Ardeola grayii 66,700-667,000[76] Template:IUCN-LC[76] ?[76] Total population is estimated to be 99,998-999,998 individuals.[76] 200px
Plumed egret Ardea plumifera 66,700-667,000[77] Template:IUCN-LC[77] ?[77] Total population is estimated to be 100,000-1,000,000 individuals.[77] 200px
Yellow bittern Botaurus sinensis 66,700-667,000[78] Template:IUCN-LC[78] ?[78] Total population is estimated to be 100,000-1,000,299 individuals.[78]

IUCN/BirdLife International still place this bird in genus Ixobrychus.

200px
Roseate spoonbill Platalea ajaja 68,500-171,000[79] Template:IUCN-LC[79] Steady[79] Total population is estimated to be 102,800-256,800 individuals.[79] 200px
Stripe-backed bittern Botaurus involucris 73,300-683,000[80] Template:IUCN-LC[80] Steady[80] Total population is estimated to be 110,000-1,025,000 individuals.[80]

IUCN/BirdLife International still place this bird in genus Ixobrychus.

200px
Bare-faced ibis Phimosus infuscatus 83,300-733,000[81] Template:IUCN-LC[81] Steady[81] Total population is estimated to be 124,999-1,099,999 individuals.[81] 200px
Cinnamon bittern Botaurus cinnamomeus 83,300-1,330,000[82] Template:IUCN-LC[82] ?[82] Total population is estimated to be 125,000-2,000,000 individuals.[82]

IUCN/BirdLife International still place this bird in genus Ixobrychus.

200px
Least bittern Botaurus exilis 93,300-106,000[83] Template:IUCN-LC[83] Increase[83] Total population is estimated to be 139,999-158,999 individuals.[83]

IUCN/BirdLife International still place this bird in genus Ixobrychus.

200px
American white pelican Pelecanus erythrorhynchos 100,000-499,999[84] Template:IUCN-LC[84] Increase[84] Best estimate for number of mature individuals is 450,000.[84] 200px
Straw-necked ibis Threskiornis spinicollis 100,000-1,000,000[85] Template:IUCN-LC[85] Decrease[85] Values given are for total population.[85] 200px
Peruvian pelican Pelecanus thagus 100,000-1,000,000[86] Template:IUCN-NT[86] Increase[86] Values given are for total population.[86] 200px
Pacific reef-egret

(Pacific reef heron)

Egretta sacra 100,000-1,000,000[87] Template:IUCN-LC[87] Steady[87] Values given are for total population.[87] 200px
Hamerkop Scopus umbretta 113,000-743,000[88] Template:IUCN-LC[88] ?[88] Total population is estimated to be 170,000-1,115,000 individuals.[88] 200px
Glossy ibis Plegadis falcinellus 119,000-860,000[89] Template:IUCN-LC[89] Steady[89] Total population is estimated to be 178,500-1,289,499 individuals.[89] 200px
Green-backed heron

(Striated heron)

Butorides striata 173,000-1,500,000[90] Template:IUCN-LC[90] Steady[90] Total population is estimated to be 260,000-2,300,000 individuals.[90]

Note that IOC taxonomy splits three additional species, green heron, little heron, and lava heron, from this species.[1]

IUCN/BirdLife International maintain all four species under B. striata.[66]

200px
Purple heron Ardea purpurea 180,000-380,000[91] Template:IUCN-LC[91] Decrease[91] Total population is estimated to be 270,000-570,000 individuals.[91] 200px
Eurasian bittern Botaurus stellaris 184,000-310,000[92] Template:IUCN-LC[92] Steady[92] Total population is estimated to be 275,699-465,199 individuals.[92] 200px
African sacred ibis Threskiornis aethiopicus 200,000-450,000[93] Template:IUCN-LC[93] Steady[93] Estimate is for mature individuals only.[93] 200px
Spot-breasted ibis Bostrychia rara 200,000-510,000[94] Template:IUCN-LC[94] Decrease[94] Values given are for total population.[94] 200px
Tricolored heron Egretta tricolor 206,000-219,000[95] Template:IUCN-LC[95] Decrease[95] Total population is estimated to be 308,350-328,699 individuals.[95] 200px
White ibis

(American white ibis)

Eudocimus albus 210,000-360,000[96] Template:IUCN-LC[96] Steady[96] Estimate is for mature individuals only.[96] 200px
Black-headed ibis Threskiornis melanocephalus 250,000-500,000[97] Template:IUCN-LC[97] Increase[97] Total population is estimated to be 400,000-600,000.[97] 200px
Great white pelican Pelecanus onocrotalus 265,000-295,000[98] Template:IUCN-LC[98] ?[98] Values given are for total population.[98] 200px
Little blue heron Egretta caerulea 275,000-392,000[99] Template:IUCN-LC[99] Decrease[99] Total population is estimated to be 413,001-587,400 individuals.[99] 200px
Brown pelican Pelecanus occidentalis 300,000[100] Template:IUCN-LC[100] Increase[100] Values given are for total population.[100] 200px
Squacco heron Ardeola rallodies 370,000-780,000[101] Template:IUCN-LC[101] Steady[101] Values given are for total population. European subpopulation estimated at 30,000-51,700 mature individuals.[101] 200px
Yellow-crowned night heron Nyctanassa violacea 400,000[102] Template:IUCN-LC[103] Steady[103] IUCN/BirdLife International do not provide a population estimate.[103]

Reported value comes from Partners in Flight database.[102]

200px
Little egret Egretta garzetta 430,000-2,100,000[104] Template:IUCN-LC[104] Steady[104] Estimate is for mature individuals only.[104] 200px
Black-crowned night heron Nycticorax nycticorax 440,000-1,990,000[105] Template:IUCN-LC[105] ?[105] Total population is estimated to be 663,000-2,985,000 individuals.[105] 200px
Snowy egret Egretta thula 476,000-1,620,000[106] Template:IUCN-LC[106] Increase[106] Total population is estimated to be 713,800-2,428,000 individuals.[106] 200px
Grey heron Ardea cinerea 500,000-2,500,000[107] Template:IUCN-LC[107] ?[107] Total population is estimated to be 790,000-3,700,000 individuals.[107] 200px
Great blue heron Ardea herodias 500,000-4,999,999[108] Template:IUCN-LC[108] Increase[108] Estimate is for mature individuals only.[108] 200px
Boat-billed heron Cochlearius cochlearius 500,000-4,999,999[109] Template:IUCN-LC[109] Decrease[109] Values given are for total population.[109] 200px
Common little bittern

(Little bittern)

Botaurus minutus 600,000-1,199,999[110] Template:IUCN-LC[110] Decrease[110] IUCN/BirdLife International still place this bird in genus Ixobrychus.

Very preliminary estimate is for mature individuals only.[110]

200px
White-faced ibis Plegadis chihi 1,000,000-9,999,999[111] Template:IUCN-LC[111] Increase[111] Best estimate for number of mature individuals is 7.2 million.[111] 200px
Great white egret

(Great egret)

Ardea alba 1,100,000-1,600,000[112] Template:IUCN-LC[112] Steady[112] Total population is estimated to be 1.6-2.4 million individuals.[112] 200px
American bittern Botaurus lentiginosus 1,500,000-2,500,000[113] Template:IUCN-LC[113] Decrease[113] Total population is estimated to be 3.0 million individuals.[113] 200px
Cattle egret Bubulcus ibis 2,600,000-12,600,000[114] Template:IUCN-LC[114] Steady[114] Note than IOC taxonomy splits this species into two species, Eastern and Western cattle egret, both placed in the Ardea genus.[1]

IUCN/BirdLife International maintain both species under Bubulcus ibis.[66]

200px
Cocoi heron Ardea cocoi 5,000,000-49,999,999[115] Template:IUCN-LC[115] Steady[115] Estimate is for mature individuals only.[115] 200px

Species without population estimates

Common name Binomial name Population Status Trend Notes Image
Intermediate egret

(Medium egret)

Ardea intermedia unknown[116] Template:IUCN-LC[116] Decrease[116] 200px
Javan pond heron Adeola speciosa unknown[117] Template:IUCN-LC[117] ?[117] 200px
Red-naped ibis Pseudibis papillosa unknown[118] Template:IUCN-LC[118] ?[118] 200px
Australian ibis

(Australian white ibis)

Threskiornis molucca unknown[119] Template:IUCN-LC[119] Steady[119] IUCN/BirdLife International give binomial name as T. moluccus. 200px
Zigzag heron Zebrilus undulatus unknown[120] Template:IUCN-LC[120] Decrease[120] 200px


See also

References

  1. ↑ 1.0 1.1 1.2 1.3 "Ibises, spoonbills, herons, Hamerkop, Shoebill, pelicans – IOC World Bird List". https://www.worldbirdnames.org/bow/pelicans/. 
  2. ↑ BirdLife International (2024). "Threskiornis solitarius". IUCN Red List of Threatened Species 2024. doi:10.2305/IUCN.UK.2024-2.RLTS.T22728791A262272153.en. https://www.iucnredlist.org/species/22728791/262272153. 
  3. ↑ BirdLife International (2024). "Ixobrychus novaezelandiae". IUCN Red List of Threatened Species 2024. doi:10.2305/IUCN.UK.2024-2.RLTS.T22697307A230913278.en. https://www.iucnredlist.org/species/22697307/230913278. 
  4. ↑ BirdLife International (2023). "Nyctanassa carcinocatactes". IUCN Red List of Threatened Species 2023. doi:10.2305/IUCN.UK.2023-1.RLTS.T62286255A221213270.en. https://www.iucnredlist.org/species/62286255/221213270. 
  5. ↑ Hume, J.P. (2024). "Ascension Night Heron (Nycticorax olsoni)". Cornell Lab of Ornithology. https://doi.org/10.2173/bow.asnher1.01. 
  6. ↑ BirdLife International (2024). "Nycticorax duboisi". IUCN Red List of Threatened Species 2024. doi:10.2305/IUCN.UK.2024-2.RLTS.T22728781A262274485.en. https://www.iucnredlist.org/species/22728781/262274485. 
  7. ↑ BirdLife International (2024). "Nycticorax mauritianus". IUCN Red List of Threatened Species 2024. doi:10.2305/IUCN.UK.2024-2.RLTS.T22728777A262276501.en. https://www.iucnredlist.org/species/22728777/262276501. 
  8. ↑ BirdLife International (2024). "Nycticorax megacephalus". IUCN Red List of Threatened Species 2024. doi:10.2305/IUCN.UK.2024-2.RLTS.T22728787A262277571.en. https://www.iucnredlist.org/species/22728787/262277571. 
  9. ↑ 9.0 9.1 9.2 BirdLife International (2018). "Ardea insignis". IUCN Red List of Threatened Species 2018. doi:10.2305/IUCN.UK.2018-2.RLTS.T22697021A134201407.en. https://www.iucnredlist.org/species/22697021/134201407. 
  10. ↑ 10.0 10.1 10.2 10.3 BirdLife International. (2021). "Bostrychia bocagei". IUCN Red List of Threatened Species 2021. doi:10.2305/IUCN.UK.2021-3.RLTS.T22697478A177028688.en. https://www.iucnredlist.org/species/22697478/177028688. Retrieved 25 August 2025. 
  11. ↑ 11.0 11.1 11.2 11.3 BirdLife International (2018). "Thaumatibis gigantea" (in en). IUCN Red List of Threatened Species 2018. doi:10.2305/iucn.uk.2018-2.rlts.t22697536a134200680.en. https://www.iucnredlist.org/species/22697536/134200680. 
  12. ↑ 12.0 12.1 12.2 12.3 BirdLife International (2018). "Geronticus eremita" (in en). IUCN Red List of Threatened Species 2018. doi:10.2305/iucn.uk.2018-2.rlts.t22697488a130895601.en. https://www.iucnredlist.org/species/22697488/130895601. 
  13. ↑ 13.0 13.1 13.2 13.3 BirdLife International (2018). "Nipponia nippon" (in en). IUCN Red List of Threatened Species 2018. doi:10.2305/iucn.uk.2018-2.rlts.t22697548a132069229.en. https://www.iucnredlist.org/species/22697548/132069229. 
  14. ↑ 14.0 14.1 14.2 14.3 BirdLife International (2018). "Pseudibis davisoni" (in en). IUCN Red List of Threatened Species 2018. doi:10.2305/iucn.uk.2018-2.rlts.t22697531a134189710.en. https://www.iucnredlist.org/species/22697531/134189710. 
  15. ↑ 15.0 15.1 15.2 15.3 BirdLife International (2021). "Adeola idae". IUCN Red List of Threatened Species 2021. doi:10.2305/IUCN.UK.2021-3.RLTS.T22697143A189949320.en. https://www.iucnredlist.org/species/22697143/189949320. 
  16. ↑ 16.0 16.1 16.2 BirdLife International. (2022). "Botaurus poiciloptilus". IUCN Red List of Threatened Species 2022. doi:10.2305/IUCN.UK.2022-2.RLTS.T22697353A217377735.en. https://www.iucnredlist.org/species/22697353/217377735. Retrieved 25 August 2025. 
  17. ↑ 17.0 17.1 17.2 17.3 BirdLife International (2025). "Ardea humbloti". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697012A255372663.en. https://www.iucnredlist.org/species/22697012/255372663. 
  18. ↑ 18.0 18.1 BirdLife International (2016). "Gorsachius melanolophus" (in en). IUCN Red List of Threatened Species 2016. doi:10.2305/iucn.uk.2016-3.rlts.t22697242a93604480.en. https://www.iucnredlist.org/species/22697242/93604480. 
  19. ↑ 19.0 19.1 19.2 BirdLife International (2025). "Gorsachius melanolophus". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697242A154679619.en. https://www.iucnredlist.org/species/22697242/154679619. Retrieved 2025-12-24. 
  20. ↑ 20.0 20.1 20.2 20.3 BirdLife International (2017). "Zonerodius heliosylus" (in en). IUCN Red List of Threatened Species 2017. doi:10.2305/iucn.uk.2017-3.rlts.t22697274a117210228.en. https://www.iucnredlist.org/species/22697274/117210228. 
  21. ↑ 21.0 21.1 21.2 BirdLife International (2025). "Oroanassa magnifica". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697232A175978137.en. https://www.iucnredlist.org/species/22697232/175978137. Retrieved 2025-12-24. 
  22. ↑ 22.0 22.1 22.2 22.3 BirdLife International (2021). "Threskiornis bernieri" (in en). IUCN Red List of Threatened Species 2021. doi:10.2305/iucn.uk.2021-3.rlts.t22731855a196574917.en. https://www.iucnredlist.org/species/22731855/196574917. 
  23. ↑ 23.0 23.1 23.2 23.3 BirdLife International (2025). "Egretta vinaceigula". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22696922A255936009.en. https://www.iucnredlist.org/species/22696922/255936009. 
  24. ↑ 24.0 24.1 24.2 24.3 BirdLife International (2024). "Lophotibis cristata". IUCN Red List of Threatened Species 2024. doi:10.2305/IUCN.UK.2024-2.RLTS.T22697504A254926243.en. https://www.iucnredlist.org/species/22697504/254926243. Retrieved 2025-12-24. 
  25. ↑ 25.0 25.1 25.2 25.3 BirdLife International (2024). "Theristicus branickii". IUCN Red List of Threatened Species 2024. doi:10.2305/IUCN.UK.2024-2.RLTS.T22697444A241488919.en. https://www.iucnredlist.org/species/22697444/241488919. 
  26. ↑ 26.0 26.1 26.2 26.3 BirdLife International (2025). "Ixobrychus eurhythmus". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697317A274693667.en. https://www.iucnredlist.org/species/22697317/274693667. Retrieved 2025-12-24. 
  27. ↑ 27.0 27.1 27.2 27.3 BirdLife International (2025). "Platalea minor". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697568A154689773.en. https://www.iucnredlist.org/species/22697568/154689773. Retrieved 2025-12-24. 
  28. ↑ 28.0 28.1 28.2 28.3 BirdLife International (2018). "Balaeniceps rex". IUCN Red List of Threatened Species 2018. doi:10.2305/IUCN.UK.2018-2.RLTS.T22697583A133840708.en. https://www.iucnredlist.org/species/22697583/133840708. Retrieved 20 November 2021. 
  29. ↑ 29.0 29.1 29.2 29.3 BirdLife International (2025). "Egretta eulophotes". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22696977A154698211.en. https://www.iucnredlist.org/species/22696977/154698211. 
  30. ↑ 30.0 30.1 30.2 30.3 BirdLife International (2020). "Gorsachius goisagi" (in en). IUCN Red List of Threatened Species 2020. doi:10.2305/iucn.uk.2020-3.rlts.t22697237a154698841.en. https://www.iucnredlist.org/species/22697237/154698841. 
  31. ↑ 31.0 31.1 31.2 31.3 BirdLife International (2020). "Egretta rufescens". IUCN Red List of Threatened Species 2020. doi:10.2305/IUCN.UK.2020-3.RLTS.T22696916A154076472.en. https://www.iucnredlist.org/species/22696916/154076472. 
  32. ↑ 32.0 32.1 32.2 32.3 BirdLife International (2025). "Plegadis ridgwayi". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697429A154879094.en. https://www.iucnredlist.org/species/22697429/154879094. Retrieved 2025-12-24. 
  33. ↑ 33.0 33.1 33.2 33.3 BirdLife International (2024). "Platalea flavipes". IUCN Red List of Threatened Species 2024. doi:10.2305/IUCN.UK.2024-2.RLTS.T22697571A254015530.en. https://www.iucnredlist.org/species/22697571/254015530. 
  34. ↑ 34.0 34.1 34.2 34.3 BirdLife International (2025). "Ardea pacifica". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697004A281012837.en. https://www.iucnredlist.org/species/22697004/281012837. 
  35. ↑ 35.0 35.1 35.2 35.3 BirdLife International (2025). "Egretta novaehollandiae". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22696938A281021507.en. https://www.iucnredlist.org/species/22696938/281021507. 
  36. ↑ 36.0 36.1 36.2 36.3 BirdLife International (2025). "Ardeola rufiventris". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697150A280964100.en. https://www.iucnredlist.org/species/22697150/280964100. 
  37. ↑ 37.0 37.1 37.2 37.3 BirdLife International (2025). "Ardea goliath". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697017A280943528.en. https://www.iucnredlist.org/species/22697017/280943528. Retrieved 2025-12-25. 
  38. ↑ 38.0 38.1 38.2 38.3 BirdLife International (2024). "Geronticus calvus". IUCN Red List of Threatened Species 2024. doi:10.2305/IUCN.UK.2024-2.RLTS.T22697496A234993178.en. https://www.iucnredlist.org/species/22697496/234993178. Retrieved 2025-12-24. 
  39. ↑ 39.0 39.1 39.2 39.3 BirdLife International (2017). "Pelecanus philippensis". IUCN Red List of Threatened Species 2017. doi:10.2305/IUCN.UK.2017-3.RLTS.T22697604A117970266.en. https://www.iucnredlist.org/species/22697604/117970266. Retrieved 20 November 2021. 
  40. ↑ 40.0 40.1 40.2 40.3 BirdLife International (2025). "Ixobrychus dubius". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22735703A280989912.en. https://www.iucnredlist.org/species/22735703/280989912. 
  41. ↑ 41.0 41.1 41.2 41.3 BirdLife International (2023). "Agamia agami". IUCN Red List of Threatened Species 2023. doi:10.2305/IUCN.UK.2023-1.RLTS.T22697200A171903244.en. https://www.iucnredlist.org/species/22697200/171903244. Retrieved 2025-12-24. 
  42. ↑ 42.0 42.1 42.2 BirdLife International (2025). "Bostrychia carunculata". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697468A280953432.en. https://www.iucnredlist.org/species/22697468/280953432. Retrieved 2025-12-24. 
  43. ↑ 43.0 43.1 43.2 43.3 BirdLife International (2025). "Cercibis oxycerca". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697432A281002258.en. https://www.iucnredlist.org/species/22697432/281002258. Retrieved 2025-12-24. 
  44. ↑ 44.0 44.1 44.2 44.3 BirdLife International. (2018). "Pelecanus crispus". IUCN Red List of Threatened Species 2018. doi:10.2305/IUCN.UK.2017-3.RLTS.T22697599A122838534.en. https://www.iucnredlist.org/species/22697599/122838534. Retrieved 25 August 2025. 
  45. ↑ 45.0 45.1 45.2 45.3 BirdLife International (2024). "Ardea sumatrana". IUCN Red List of Threatened Species 2024. doi:10.2305/IUCN.UK.2024-2.RLTS.T22697028A264978926.en. https://www.iucnredlist.org/species/22697028/264978926. 
  46. ↑ 46.0 46.1 46.2 46.3 BirdLife International (2025). "Bostrychia olivacea". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697472A280953692.en. https://www.iucnredlist.org/species/22697472/280953692. Retrieved 2025-12-24. 
  47. ↑ 47.0 47.1 47.2 47.3 BirdLife International (2024). "Egretta picata". IUCN Red List of Threatened Species 2024. doi:10.2305/IUCN.UK.2024-2.RLTS.T22697037A264977849.en. https://www.iucnredlist.org/species/22697037/264977849. 
  48. ↑ 48.0 48.1 48.2 48.3 BirdLife International (2025). "Theristicus melanopis". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22734000A264997487.en. https://www.iucnredlist.org/species/22734000/264997487. Retrieved 2025-12-24. 
  49. ↑ 49.0 49.1 49.2 49.3 BirdLife International (2024). "Ixobrychus sturmii". IUCN Red List of Threatened Species 2024. doi:10.2305/IUCN.UK.2024-2.RLTS.T22697327A265015502.en. https://www.iucnredlist.org/species/22697327/265015502. 
  50. ↑ 50.0 50.1 50.2 50.3 BirdLife International (2024). "Egretta ardesiaca". IUCN Red List of Threatened Species 2024. doi:10.2305/IUCN.UK.2024-2.RLTS.T22696926A265002412.en. https://www.iucnredlist.org/species/22696926/265002412. 
  51. ↑ 51.0 51.1 51.2 51.3 BirdLife International (2024). "Ardea brachyrhyncha". IUCN Red List of Threatened Species 2024. doi:10.2305/IUCN.UK.2024-2.RLTS.T22727677A264980648.en. https://www.iucnredlist.org/species/22727677/264980648. 
  52. ↑ 52.0 52.1 52.2 52.3 BirdLife International (2024). "Ardeola bacchus". IUCN Red List of Threatened Species 2024. doi:10.2305/IUCN.UK.2024-2.RLTS.T22697133A264998112.en. https://www.iucnredlist.org/species/22697133/264998112. 
  53. ↑ 53.0 53.1 53.2 53.3 BirdLife International. (2022). "Tigrisoma lineatum". IUCN Red List of Threatened Species 2022. doi:10.2305/IUCN.UK.2022-2.RLTS.T22697269A163800768.en. https://www.iucnredlist.org/species/22697269/163800768. Retrieved 25 August 2025. 
  54. ↑ 54.0 54.1 54.2 54.3 BirdLife International (2022). "Tigrisoma fasciatum". IUCN Red List of Threatened Species 2022. doi:10.2305/IUCN.UK.2023-1.RLTS.T22697264A163801770.en. https://www.iucnredlist.org/species/22697264/163801770. Retrieved 2025-12-24. 
  55. ↑ 55.0 55.1 55.2 55.3 BirdLife International (2025). "Platalea alba". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697564A264974451.en. https://www.iucnredlist.org/species/22697564/264974451. Retrieved 2025-12-24. 
  56. ↑ 56.0 56.1 56.2 56.3 BirdLife International (2024). "Syrigma sibilatrix". IUCN Red List of Threatened Species 2024. doi:10.2305/IUCN.UK.2024-2.RLTS.T22696913A265003992.en. https://www.iucnredlist.org/species/22696913/265003992. 
  57. ↑ 57.0 57.1 57.2 57.3 BirdLife International (2024). "Nycticorax caledonicus". IUCN Red List of Threatened Species 2024. doi:10.2305/IUCN.UK.2024-2.RLTS.T22697219A264991688.en. https://www.iucnredlist.org/species/22697219/264991688. 
  58. ↑ 58.0 58.1 58.2 58.3 BirdLife International (2018). "Calherodius leuconotus" (in en). IUCN Red List of Threatened Species 2018. doi:10.2305/iucn.uk.2018-2.rlts.t22697226a130187384.en. https://www.iucnredlist.org/species/22697226/130187384. 
  59. ↑ 59.0 59.1 59.2 59.3 BirdLife International (2018). "Tigriornis leucolopha" (in en). IUCN Red List of Threatened Species 2018. doi:10.2305/iucn.uk.2018-2.rlts.t22697277a130188990.en. https://www.iucnredlist.org/species/22697277/130188990. 
  60. ↑ 60.0 60.1 60.2 60.3 BirdLife International (2025). "Platalea regia". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697561A264974915.en. https://www.iucnredlist.org/species/22697561/264974915. 
  61. ↑ 61.0 61.1 61.2 61.3 BirdLife International (2024). "Ixobrychus flavicollis". IUCN Red List of Threatened Species 2024. doi:10.2305/IUCN.UK.2024-2.RLTS.T22697334A265013707.en. https://www.iucnredlist.org/species/22697334/265013707. Retrieved 2025-12-24. 
  62. ↑ 62.0 62.1 62.2 62.3 BirdLife International (2024). "Pelecanus rufescens". IUCN Red List of Threatened Species 2024. doi:10.2305/IUCN.UK.2024-2.RLTS.T22697595A265010010.en. https://www.iucnredlist.org/species/22697595/265010010. Retrieved 2025-12-25. 
  63. ↑ 63.0 63.1 63.2 63.3 BirdLife International (2025). "Theristicus caerulescens". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697435A265000454.en. https://www.iucnredlist.org/species/22697435/265000454. 
  64. ↑ 64.0 64.1 64.2 64.3 BirdLife International (2025). "Theristicus caudatus". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697441A264984842.en. https://www.iucnredlist.org/species/22697441/264984842. 
  65. ↑ 65.0 65.1 65.2 65.3 BirdLife International (2025). "Egretta gularis". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22729692A153869809.en. https://www.iucnredlist.org/species/22729692/153869809. 
  66. ↑ 66.0 66.1 66.2 Handbook of the Birds of the World and BirdLife International Digital Checklist of the Birds of the World: Version 10. BirdLife International. 2025. https://datazone.birdlife.org/about-our-science/taxonomy#birdlife-s-taxonomic-checklist. 
  67. ↑ 67.0 67.1 67.2 67.3 BirdLife International (2024). "Pelecanus conspicillatus". IUCN Red List of Threatened Species 2024. doi:10.2305/IUCN.UK.2024-2.RLTS.T22697608A265022422.en. https://www.iucnredlist.org/species/22697608/265022422. Retrieved 2025-12-24. 
  68. ↑ 68.0 68.1 68.2 68.3 BirdLife International (2025). "Bostrychia hagedash". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697463A264982459.en. https://www.iucnredlist.org/species/22697463/264982459. 
  69. ↑ 69.0 69.1 69.2 69.3 BirdLife International (2021). "Pilherodius pileatus". IUCN Red List of Threatened Species 2021. doi:10.2305/IUCN.UK.2021-3.RLTS.T22696987A163803423.en. https://www.iucnredlist.org/species/22696987/163803423. 
  70. ↑ 70.0 70.1 70.2 70.3 BirdLife International (2018). "Tigrisoma mexicanum" (in en). IUCN Red List of Threatened Species 2018. doi:10.2305/iucn.uk.2018-2.rlts.t22697259a130188356.en. https://www.iucnredlist.org/species/22697259/130188356. 
  71. ↑ 71.0 71.1 71.2 71.3 BirdLife International (2021). "Botaurus pinnatus" (in en). IUCN Red List of Threatened Species 2021. doi:10.2305/iucn.uk.2021-3.rlts.t22697343a163799916.en. https://www.iucnredlist.org/species/22697343/163799916. 
  72. ↑ 72.0 72.1 72.2 72.3 BirdLife International (2021). "Mesembrinibis cayennensis" (in en). IUCN Red List of Threatened Species 2021. doi:10.2305/iucn.uk.2021-3.rlts.t22697460a163620132.en. https://www.iucnredlist.org/species/22697460/163620132. 
  73. ↑ 73.0 73.1 73.2 73.3 BirdLife International (2025). "Platalea leucorodia". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697555A281857155.en. https://www.iucnredlist.org/species/22697555/281857155. Retrieved 2025-12-24. 
  74. ↑ 74.0 74.1 74.2 74.3 BirdLife International (2025). "Eudocimus ruber". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697415A265008829.en. https://www.iucnredlist.org/species/22697415/265008829. 
  75. ↑ 75.0 75.1 75.2 75.3 BirdLife International (2024). "Ardea melanocephala". IUCN Red List of Threatened Species 2024. doi:10.2305/IUCN.UK.2024-2.RLTS.T22697008A264971450.en. https://www.iucnredlist.org/species/22697008/264971450. 
  76. ↑ 76.0 76.1 76.2 76.3 BirdLife International (2024). "Ardeola grayii". IUCN Red List of Threatened Species 2024. doi:10.2305/IUCN.UK.2024-2.RLTS.T22697128A265000155.en. https://www.iucnredlist.org/species/22697128/265000155. 
  77. ↑ 77.0 77.1 77.2 77.3 BirdLife International (2024). "Ardea plumifera". IUCN Red List of Threatened Species 2024. doi:10.2305/IUCN.UK.2024-2.RLTS.T22727683A264991189.en. https://www.iucnredlist.org/species/22727683/264991189. 
  78. ↑ 78.0 78.1 78.2 78.3 BirdLife International (2024). "Ixobrychus sinensis". IUCN Red List of Threatened Species 2024. doi:10.2305/IUCN.UK.2024-2.RLTS.T22697303A264977012.en. https://www.iucnredlist.org/species/22697303/264977012. Retrieved 2024-12-24. 
  79. ↑ 79.0 79.1 79.2 79.3 BirdLife International (2025). "Platalea ajaja". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697574A281037780.en. https://www.iucnredlist.org/species/22697574/281037780. 
  80. ↑ 80.0 80.1 80.2 80.3 BirdLife International (2024). "Ixobrychus involucris". IUCN Red List of Threatened Species 2024. doi:10.2305/IUCN.UK.2024-2.RLTS.T22697294A264978428.en. https://www.iucnredlist.org/species/22697294/264978428. 
  81. ↑ 81.0 81.1 81.2 81.3 BirdLife International (2025). "Phimosus infuscatus". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697418A265005165.en. https://www.iucnredlist.org/species/22697418/265005165. 
  82. ↑ 82.0 82.1 82.2 82.3 BirdLife International (2024). "Ixobrychus cinnamomeus". IUCN Red List of Threatened Species 2024. doi:10.2305/IUCN.UK.2024-2.RLTS.T22697323A265014467.en. https://www.iucnredlist.org/species/22697323/265014467. Retrieved 2025-12-24. 
  83. ↑ 83.0 83.1 83.2 83.3 BirdLife International (2025). "Ixobrychus exilis". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697314A281851669.en. https://www.iucnredlist.org/species/22697314/281851669. 
  84. ↑ 84.0 84.1 84.2 84.3 BirdLife International (2025). "Pelecanus erythrorhynchos". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697611A281856383.en. https://www.iucnredlist.org/species/22697611/281856383. Retrieved 2025-12-24. 
  85. ↑ 85.0 85.1 85.2 85.3 BirdLife International (2018). "Threskiornis spinicollis" (in en). IUCN Red List of Threatened Species 2018. doi:10.2305/iucn.uk.2016-3.rlts.t22697525a129656213.en. https://www.iucnredlist.org/species/22697525/129656213. 
  86. ↑ 86.0 86.1 86.2 86.3 BirdLife International (2018). "Pelecanus thagus". IUCN Red List of Threatened Species 2018. doi:10.2305/IUCN.UK.2018-2.RLTS.T22697619A132596827.en. https://www.iucnredlist.org/species/22697619/132596827. Retrieved 20 November 2021. 
  87. ↑ 87.0 87.1 87.2 87.3 BirdLife International (2018). "Egretta sacra". IUCN Red List of Threatened Species 2018. doi:10.2305/IUCN.UK.2018-2.RLTS.T22696980A131759460.en. https://www.iucnredlist.org/species/22696980/131759460. 
  88. ↑ 88.0 88.1 88.2 88.3 BirdLife International (2025). "Scopus umbretta". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697356A265021380.en. https://www.iucnredlist.org/species/22697356/265021380. Retrieved 2025-12-25. 
  89. ↑ 89.0 89.1 89.2 89.3 BirdLife International (2025). "Plegadis falcinellus". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697422A281858334.en. https://www.iucnredlist.org/species/22697422/281858334. Retrieved 2025-12-24. 
  90. ↑ 90.0 90.1 90.2 90.3 BirdLife International. (2022). "Butorides striata". IUCN Red List of Threatened Species 2022. doi:10.2305/IUCN.UK.2022-2.RLTS.T22728182A163804848.en. https://www.iucnredlist.org/species/22728182/163804848. Retrieved 25 August 2025. 
  91. ↑ 91.0 91.1 91.2 91.3 BirdLife International (2019). "Ardea purpurea". IUCN Red List of Threatened Species 2019. doi:10.2305/IUCN.UK.2019-3.RLTS.T22697031A154816177.en. https://www.iucnredlist.org/species/22697031/154816177. 
  92. ↑ 92.0 92.1 92.2 92.3 BirdLife International (2025). "Botaurus stellaris". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697346A281837651.en. https://www.iucnredlist.org/species/22697346/281837651. Retrieved 2025-12-24. 
  93. ↑ 93.0 93.1 93.2 93.3 BirdLife International (2018). "Threskiornis aethiopicus" (in en). IUCN Red List of Threatened Species 2018. doi:10.2305/iucn.uk.2018-2.rlts.t22697510a132068562.en. https://www.iucnredlist.org/species/22697510/132068562. 
  94. ↑ 94.0 94.1 94.2 94.3 BirdLife International (2018). "Bostrychia rara" (in en). IUCN Red List of Threatened Species 2018. doi:10.2305/iucn.uk.2018-2.rlts.t22697484a130189528.en. https://www.iucnredlist.org/species/22697484/130189528. 
  95. ↑ 95.0 95.1 95.2 95.3 BirdLife International (2025). "Egretta tricolor". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22696931A281846090.en. https://www.iucnredlist.org/species/22696931/281846090. 
  96. ↑ 96.0 96.1 96.2 96.3 BirdLife International (2021). "Eudocimus albus" (in en). IUCN Red List of Threatened Species 2021. doi:10.2305/iucn.uk.2021-3.rlts.t22697411a188454802.en. https://www.iucnredlist.org/species/22697411/188454802. 
  97. ↑ 97.0 97.1 97.2 97.3 BirdLife International (2024). "Threskiornis melanocephalus". IUCN Red List of Threatened Species 2024. doi:10.2305/IUCN.UK.2024-2.RLTS.T22697516A252063963.en. https://www.iucnredlist.org/species/22697516/252063963. Retrieved 2025-12-24. 
  98. ↑ 98.0 98.1 98.2 98.3 BirdLife International (2021). "Pelecanus onocrotalus". IUCN Red List of Threatened Species 2021. doi:10.2305/IUCN.UK.2021-3.RLTS.T22697590A177120498.en. https://www.iucnredlist.org/species/22697590/177120498. Retrieved 2025-12-25. 
  99. ↑ 99.0 99.1 99.2 99.3 BirdLife International (2025). "Egretta caerulea". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22696944A281845065.en. https://www.iucnredlist.org/species/22696944/281845065. 
  100. ↑ 100.0 100.1 100.2 100.3 BirdLife International (2018). "Pelecanus occidentalis". IUCN Red List of Threatened Species 2018. doi:10.2305/IUCN.UK.2018-2.RLTS.T22733989A132663224.en. https://www.iucnredlist.org/species/22733989/132663224. Retrieved 2025-12-24. 
  101. ↑ 101.0 101.1 101.2 101.3 BirdLife International (2018). "Ardeola ralloides" (in en). IUCN Red List of Threatened Species 2018. doi:10.2305/iucn.uk.2018-2.rlts.t22697123a131940696.en. https://www.iucnredlist.org/species/22697123/131940696. 
  102. ↑ 102.0 102.1 Partners in Flight (2024). "Avian Conservation Assessment Database". https://pif.birdconservancy.org/avian-conservation-assessment-database-scores/. 
  103. ↑ 103.0 103.1 103.2 BirdLife International (2018). "Nyctanassa violacea". IUCN Red List of Threatened Species 2018. doi:10.2305/IUCN.UK.2018-2.RLTS.T22697203A132067766.en. https://www.iucnredlist.org/species/22697203/132067766. 
  104. ↑ 104.0 104.1 104.2 104.3 BirdLife International (2025). "Egretta garzetta". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T62774969A154819214.en. https://www.iucnredlist.org/species/62774969/154819214. 
  105. ↑ 105.0 105.1 105.2 105.3 BirdLife International (2025). "Nycticorax nycticorax". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697211A280905252.en. https://www.iucnredlist.org/species/22697211/280905252. Retrieved 2025-12-24. 
  106. ↑ 106.0 106.1 106.2 106.3 BirdLife International (2025). "Egretta thula". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22696974A281845566.en. https://www.iucnredlist.org/species/22696974/281845566. 
  107. ↑ 107.0 107.1 107.2 107.3 BirdLife International (2019). "Ardea cinerea". IUCN Red List of Threatened Species 2019. doi:10.2305/IUCN.UK.2019-3.RLTS.T22696993A154525233.en. https://www.iucnredlist.org/species/22696993/154525233. 
  108. ↑ 108.0 108.1 108.2 108.3 BirdLife International (2020). "Ardea herodias". IUCN Red List of Threatened Species 2020. doi:10.2305/IUCN.UK.2020-3.RLTS.T181500967A181565357.en. https://www.iucnredlist.org/species/181500967/181565357. 
  109. ↑ 109.0 109.1 109.2 109.3 BirdLife International (2018). "Cochlearius cochlearius" (in en). IUCN Red List of Threatened Species 2018. doi:10.2305/iucn.uk.2018-2.rlts.t22697250a130187930.en. https://www.iucnredlist.org/species/22697250/130187930. 
  110. ↑ 110.0 110.1 110.2 110.3 BirdLife International (2019). "Ixobrychus minutus" (in en). IUCN Red List of Threatened Species 2019. doi:10.2305/iucn.uk.2018-2.rlts.t22735766a155511258.en. https://www.iucnredlist.org/species/22735766/155511258. 
  111. ↑ 111.0 111.1 111.2 111.3 BirdLife International (2025). "Plegadis chihi". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697426A281858067.en. https://www.iucnredlist.org/species/22697426/281858067. Retrieved 2025-12-24. 
  112. ↑ 112.0 112.1 112.2 112.3 BirdLife International (2025). "Ardea alba". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697043A280949218.en. https://www.iucnredlist.org/species/22697043/280949218. 
  113. ↑ 113.0 113.1 113.2 113.3 BirdLife International (2025). "Botaurus lentiginosus". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697340A276609491.en. https://www.iucnredlist.org/species/22697340/276609491. 
  114. ↑ 114.0 114.1 114.2 BirdLife International (2025). "Bubulcus ibis". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697109A280979746.en. https://www.iucnredlist.org/species/22697109/280979746. 
  115. ↑ 115.0 115.1 115.2 115.3 BirdLife International (2021). "Ardea cocoi". IUCN Red List of Threatened Species 2021. doi:10.2305/IUCN.UK.2021-3.RLTS.T22697001A163802666.en. https://www.iucnredlist.org/species/22697001/163802666. 
  116. ↑ 116.0 116.1 116.2 BirdLife International (2020). "Ardea intermedia". IUCN Red List of Threatened Species 2020. doi:10.2305/IUCN.UK.2020-3.RLTS.T22727668A181757896.en. https://www.iucnredlist.org/species/22727668/181757896. 
  117. ↑ 117.0 117.1 117.2 BirdLife International (2025). "Ardeola speciosa". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697138A280965635.en. https://www.iucnredlist.org/species/22697138/280965635. 
  118. ↑ 118.0 118.1 118.2 BirdLife International (2025). "Pseudibis papillosa". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697528A280944786.en. https://www.iucnredlist.org/species/22697528/280944786. 
  119. ↑ 119.0 119.1 119.2 BirdLife International (2025). "Threskiornis moluccus". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-2.RLTS.T22697519A264970728.en. https://www.iucnredlist.org/species/22697519/264970728. 
  120. ↑ 120.0 120.1 120.2 BirdLife International (2022). "Zebrilus undulatus". IUCN Red List of Threatened Species 2022. doi:10.2305/IUCN.UK.2022-1.RLTS.T22697291A211070907.en. https://www.iucnredlist.org/species/22697291/211070907. 

Template:Birds by population



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