List of Pelecaniformes by population

Last updated

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.

Contents

This list is not comprehensive, as not all Pelecaniformes have had their numbers quantified.

Species by global population

Common name Binomial name Population Status TrendNotesImage
Dwarf ibis Bostrychia bocagei190-2,500 [1] CR [1] Decrease2.svg [1] Estimate calculated from density and area estimates. Equal to 130-1,700 mature individuals. [1] Bostrychia bocagei.jpg
Northern bald ibis Geronticus eremita200-249 [2] EN [2] Steady2.svg [2] Estimate for mature individuals only. Species is considered regionally extinct in Europe. [2] Northern bald ibis (Geronticus eremita).jpg
Giant ibis Thaumatibis gigantea290 [3] CR [3] Decrease2.svg [3] Minimum estimate. Equal to 194 mature individuals. [3] ThaumantibisGiganteaGronvold.jpg
White-eared night-heron Oroanassa magnifica350-1,500 [4] EN [4] Decrease2.svg [4] Equal to 250-999 mature individuals. [4] NycticoraxMagnificaGronvold.jpg
Rough-faced shag Phalacrocorax carunculatus350 – 1500 [5] VU [5] Steady2.svg [5] History of the birds of NZ 1st ed p332.jpg
Asian crested ibis Nipponia nippon550 [6] EN [6] Increase2.svg [6] Equal to 330 mature individuals. [6] Nipponia nippon Sado Toki Hogo Center 3.jpg
Bounty shag Phalacrocorax ranfurlyi620 [7] VU [7] Steady2.svg [7] Minimum estimate. [7]
White-shouldered ibis Pseudibis davisoni1,000 [8] CR [8] Decrease2.svg [8] Minimum estimate. Equal to 670 mature individuals. [8] White-shouldered ibis in Cambodia July 2022, crop.jpg
Fasciated tiger-heron Tigrisoma fasciatum1,000-10,000 [9] LC [9] Unknown [9] Equal to 670-6,700 mature individuals. [9] Fasciated tiger heron - Flickr - Lip Kee.jpg
Schrenck's bittern Ixobrychus eurhythmus1,000-25,000 [10] LC [10] Decrease2.svg [10] Equal to 670-17,000 mature individuals. [10] Ixobrychus eurhythmus by OpenCage.jpg
Wattled ibis Bostrychia carunculata1,000-25,000 [11] LC [11] Unknown [11] Equal to 670-17,000 mature individuals. [11] Bostrychia carunculata.jpg
Chatham shag Phalacrocorax onslowi1070 [12] CR [12] Decrease2.svg [12]
Pitt shag Phalacrocorax featherstoni1400 [13] EN [13] Decrease2.svg [13]
Australasian bittern Botaurus poiciloptilus1,500-4,000 [14] VU [14] Decrease2.svg [14] Equal to 1,000-2,499 mature individuals. [14] Botaurus poiciloptilus (Australasian Bittern; Matuku) (48719316081).jpg
Flightless cormorant Phalacrocorax harrisi1679 [15] VU [15] Steady2.svg [15] Flightless Cormorant (Phalacrocorax harrisi) -swimming2.jpg
Malayan night-heron Gorsachius melanolophus2,000-20,000 [16] LC [16] Unknown [16] Equal to 1,300-13,000 mature individuals. Subpopulations include 100-10,000 breeding pairs in Taiwan, and 100-10,000 in Japan. [16] Malayan Night Heron (Gorsachius melanolophus), Taipei Taiwan.jpg
Forest bittern Zonerodius heliosylus2,500-9,999 [17] NT [17] Decrease2.svg [17] Equal to 1,500-7,000 mature individuals. [17] Zonerodius heliosylus (cropped).jpg
Madagascar sacred ibis Threskiornis bernieri2,600-3,250 [18] EN [18] Decrease2.svg [18] Equal to 1,733-2,166 mature individuals. [18] Ibis sacre de Madagascar.JPG
Olive ibis Bostrychia olivacea3,000-45,000 [19] LC [19] Decrease2.svg [19] Estimate is for mature individuals only. [19] Olive Ibis.JPG
Christmas frigatebird Fregata andrewsi3600 – 7200 [20] VU [20] Decrease2.svg [20] Christmas Island Frigatebird.JPG
Black-faced spoonbill Platalea minor3,941 [21] EN [21] Increase2.svg [21] Equal to approximately 2,250 mature individuals. [21] Black faced spoonbill at Niigata.JPG
Auckland shag Phalacrocorax colensoi4500 [22] VU [22] Steady2.svg [22]
Bronze shag Phalacrocorax chalconotus5000 – 8000 [23] VU [23] Decrease2.svg [23] Numbers may be overestimated. [23] Stewart Island Shag.jpg
Shoebill Balaeniceps rex5000 – 8000 [24] VU [24] Decrease2.svg [24] Balaeniceps rex -Ueno Zoo, Tokyo, Japan -upper body-8a.jpg
Red-billed tropicbird Phaethon aethereus5000 – 20 000 [25] LC [25] Decrease2.svg [25] Phaethon aethereus Little Tobago.jpg
Southern bald ibis Geronticus calvus6,500-8,000 [26] VU [26] Decrease2.svg [26] Equal to 3,300-4,000 mature individuals and 1,650-2,000 breeding pairs. [26] Southern Bald Ibis (Geronticus calvus) (29865447691).jpg
African spoonbill Platalea alba7,300-73,000 [27] LC [27] Steady2.svg [27] Estimate is for mature individuals only. [27] Platalea-alba-Lake-Nakuru.JPG
Japanese night-heron Gorsachius goisagi7,500-15,000 [28] VU [28] Decrease2.svg [28] Equal to 5,000-9,999 mature individuals. [28] Japanese night heron (Gorsachius goisagi).jpg
Campbell shag Phalacrocorax campbelli8000 [29] VU [29] Steady2.svg [29] Estimate may be dated. [29]
Bank cormorant Phalacrocorax neglectus8400 [30] EN [30] Decrease2.svg [30] Bank Cormorant at Living Coasts.jpg
Crowned cormorant Phalacrocorax coronatus8700 [31] NT [31] Steady2.svg [31]
Abbott's booby Papasula abbotti9000 [32] EN [32] Decrease2.svg [32]
Madagascar crested ibis Lophotibis cristata10,000 [33] NT [33] Decrease2.svg [33] Equal to 6,700 mature individuals. [33] Lophotibis cristata -Bronx Zoo-8.jpg
Puna ibis Plegadis ridgwayi10,000-15,000 [34] LC [34] Decrease2.svg [34] Equal to 6,700-10,000 mature individuals. [34] Plegadis ridgwayi -Huacarpay Lakes, near Cusco, Peru-8.jpg
Sharp-tailed ibis Cercibis oxycerca10,000-25,000 [35] LC [35] Steady2.svg [35] Equal to 6,700-17,000 mature individuals. [35] Cercibis oxycerca Tarotaro Sharp-tailed Ibis (6559267951).jpg
Dalmatian pelican Pelecanus crispus10 000 – 13 900 [36] VU [36] Decrease2.svg [36] Pelecanus crispus (Antwerp Zoo).jpg
Spot-billed pelican Pelecanus philippensis13 000 – 18 000 [37] NT [37] Decrease2.svg [37] Pelecanus Philippensis.JPG
Black-headed ibis Threskiornis melanocephalus15,000-30,000 [38] NT [38] Decrease2.svg [38] Equal to 10,000-19,999 mature individuals. Subpopulation estimates include 10,000 in south Asia, 10,000 in south-east Asia, and 100 in east Asia. [38] Black-headed ibis (Threskiornis melanocephalus).jpg
White-backed night-heron Calherodius leuconotus25,000-100,000 [39] LC [39] Decrease2.svg [39] White-backed Night Heron (Gorsachius leuconotus) (6001840951).jpg
White-crested tiger-heron Tigrionrnis leucolopha25,000-100,000 [40] LC [40] Decrease2.svg [40] White-crested Tiger-Heron - Ankasa - Ghana 14 S4E2068 (16010535898).jpg
Black-faced ibis Theristicus melanopis25,000-100,000 [41] LC [41] Steady2.svg [41] Theristicus melanopis 1 Frank Vassen.jpg
Ascension frigatebird Fregata aquila25 000 – 32 000 [42] VU [42] Unknown [42] Ascension Frigatebird.jpg
Japanese cormorant Phalacrocorax capillatus25 000 – 100 000 [43] LC [43] Unknown [43] Phalacrocorax capillatus -head.jpg
Rufescent tiger-heron Tigrisoma lineatum27,700-105,500 [44] LC [44] Steady2.svg [44] Equal to 18,000-70,000 mature individuals. [44] Rufescent tiger heron (Tigrisoma lineatum).JPG
Red-legged cormorant Phalacrocorax gaimardi30 000 [45] NT [45] Decrease2.svg [45] Phalacrocorax gaimardi -Patagonia-8.jpg
Nazca booby Sula granti30 000 [46] LC [46] Decrease2.svg [46] Minimum estimate. [46] Nazca-Booby.jpg
Red-tailed tropicbird Phaethon rubricauda32 000 [47] LC [47] Steady2.svg [47] Minimum estimate. [47] Red-tailed Tropicbird RWD2.jpg
Oriental darter Anhinga melanogaster33 000 [48] NT [48] Decrease2.svg [48] Minimum estimate. [48] Anhinga melanogaster -Rajasthan, India-8.jpg
White-tailed tropicbird Phaethon lepturus50 000 [49] LC [49] Decrease2.svg [49] Minimum estimate. [49] White-tailed Tropicbird - Phaeton lepturus.jpg
Pinnated bittern Botaurus pinnatus50,000-499,999 [50] LC [50] Steady2.svg [50] Estimate is for mature individuals only. [50] Botaurus pinnatus Avetoro Pinnated Bittern (6265348630).jpg
Agami heron Agamia agami50,000-499,999 [51] VU [51] Unknown [51] Calculation may need to be revised. Actual global population may be smaller. [51] Agami Heron (Agamia agami).jpg
Bare-throated tiger-heron Tigrisoma mexicanum50,000-499,999 [52] LC [52] Decrease2.svg [52] Tigrisoma mexicanum 3.jpg
Green ibis Mesembrinibis cayennensis50,000-499,999 [53] LC [53] Steady2.svg [53] Estimate is for mature individuals only. [53] Mesembrinibis cayennensis.jpg
Eurasian spoonbill Platelea leucorodia63,000-65,000 [54] LC [54] Unknown [54] European subpopulation includes 20,400-30,500 mature individuals. [54] Eurasian Spoonbill.jpg
Black bittern Ixobrychus flavicollis63,000-320,000 [55] LC [55] Decrease2.svg [55] Subpopulation at China is 100-100,000 breeding pairs. [55] Black Bittern- Warriewood Wetlands.jpg
Pygmy cormorant Phalacrocorax pygmeus85 000 – 180 000 [56] LC [56] Increase2.svg [56] Phalacrocorax pygmeus 1 (Martin Mecnarowski).jpg
Yellow bittern Ixobrychus sinensis100,000-1,000,000 [57] LC [57] Unknown [57] Ixobrychus sinensis - Bueng Boraphet.jpg
Straw-necked ibis Threskiornis spinicollis100,000-1,000,000 [58] LC [58] Decrease2.svg [58] Threskiornis spinicollis - Centenary Lakes.jpg
Peruvian pelican Pelecanus thagus100 000 – 1 000 000 [59] NT [59] Increase2.svg [59] Pelecanus thagus -Pan de Azucar National Park, Atacama Region, Chile -head-8.jpg
Socotra cormorant Phalacrocorax nigrogularis110 000 [60] VU [60] Decrease2.svg [60] Socotra Cormorant.jpg
Eurasian bittern Botaurus stellaris115,000-340,000 [61] LC [61] Decrease2.svg [61] European subpopulation includes 75,300-133,000 mature individuals. [61] 2015-10-19 Botaurus stellaris, Gosforth Park 5.jpg
Cinnamon bittern Ixobrychus cinnamomeus130,000-2,000,000 [62] LC [62] Steady2.svg [62] Cinnamon bittern or chestnut bittern (Ixobrychus cinnamomeus) Photograph by Shantanu Kuveskar.jpg
American white pelican Pelecanus erythrorhynchos180 000 [63] LC [63] Increase2.svg [63] American White Pelican.jpg
Brown booby Sula leucogaster200 000 [64] LC [64] Decrease2.svg [64] Minimum estimate. [64] Brown booby.jpg
African sacred ibis Threskiornis aethiopicus200,000-450,000 [65] LC [65] Steady2.svg [65] Estimate is for mature individuals only. [65] Threskiornis aethiopicus -Mida Creek mud flats, Kenya-8.jpg
Spot-breasted ibis Bostrychia rara200,000-510,000 [66] LC [66] Decrease2.svg [66] Zwei Fleckenibisse in der Demokratischen Republik Kongo von Niklas Weber, Version b.jpg
Glossy ibis Plegadis falcinellus200,000-2,300,000 [67] LC [67] Decrease2.svg [67] This estimate involves the European subpopulation of 56,500-75,400 mature individuals. [67] Glossy ibis (Plegadis falcinellus).jpg
White ibis Eudocimus albus210,000-360,000 [68] LC [68] Steady2.svg [68] Estimate is for mature individuals only. [68] Eudocimus albus (4111616588).jpg
Striated heron Butorides striata260,000-2,300,000 [69] LC [69] Steady2.svg [69] Equal to 173,000-1,500,000 mature individuals. Will likely need to be revised under recent taxonomic changes. [69] Butorides striata - Laem Pak Bia.jpg
Red-faced cormorant Phalacrocorax urile200 000 [70] LC [70] Decrease2.svg [70] Minimum estimate. [70]
Cape cormorant Phalacrocorax capensis200 000 – 250 000 [71] NT [71] Steady2.svg [71] Cape Cormorant RWD2.jpg
Cape gannet Morus capensis300 000 [72] VU [72] Decrease2.svg [72] Mature population only (~150 000 pairs). [72] Lamberts Bay P1010338.JPG
Squacco heron Ardeola rallodies370,000-780,000 [73] LC [73] Steady2.svg [73] European subpopulation estimated at 30,000-51,700 mature individuals. [73] Common squacco heron (Ardeola ralloides) Ethiopia.jpg
Boat-billed heron Cochlearius cochlearius500,000-4,999,999 [74] LC [74] Decrease2.svg [74] Cochlearius cochlearius Cockscomb 03.JPG
Black-crowned night-heronNycticorax nycticorax570,000-3,730,000 [75] LC [75] Decrease2.svg [75] Subpopulations include 120,000-172,000 mature individuals in Europe. [75] Black-crowned night heron at Tennoji Park in Osaka, March 2016.jpg
Common little bittern Ixobrychus minutus630,000-1,110,000 [76] LC [76] Decrease2.svg [76] Estimate is for mature individuals only. Further validation is needed. [76] Ixobrychus minutus 2 (Marek Szczepanek).jpg
Northern gannet Morus bassanus950 000 – 1 200 000 [77] LC [77] Increase2.svg [77] Northern Gannet 2006 2.jpg
Red-footed booby Sula sula1 000 000 [78] LC [78] Decrease2.svg [78] Minimum estimate. [78] Sula sula by Gregg Yan 02.jpg
White-faced ibis Plegadis chihi1,200,000 [79] LC [79] Increase2.svg [79] Adult white-faced ibis (Plegadis chihi)-4026.jpg
Great cormorant Phalacrocorax carbo1 400 000 – 2 900 000 [80] LC [80] Increase2.svg [80] Phalacrocorax carbo Austins Ferry 1.jpg
Neotropic cormorant Phalacrocorax brasilianus2 000 000 [81] LC [81] Increase2.svg [81] Phalacrocorax brasilianus (Costa Rica).jpg
Guanay cormorant Phalacrocorax bougainvillii2 500 000 – 4 999 999 [82] NT [82] Decrease2.svg [82] Phalacrocorax bougainvillii1.jpg

See also

Related Research Articles

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