Pelecaniformes
Order Pelecaniformes — 55 species with pages here, 80,162,720 occurrence records between them.
Great Blue
Ardea herodias · 14,190,794 records
Great Egret
Ardea alba · 12,974,678 records
Gray
Ardea cinerea · 7,828,763 records
Snowy Egret
Egretta thula · 4,756,891 records
Little Egret
Egretta garzetta · 3,850,714 records
Cattle Egret
Bubulcus ibis · 3,698,158 records
Green
Butorides virescens · 3,378,362 records
Black-crowned Night-Heron
Nycticorax nycticorax · 3,144,357 records
Brown Pelican
Pelecanus occidentalis · 2,912,675 records
White Ibis
Eudocimus albus · 2,334,363 records
Little Blue Heron
Egretta caerulea · 2,312,714 records
Tricolored Heron
Egretta tricolor · 1,664,461 records
Glossy Ibis
Plegadis falcinellus · 1,477,087 records
Eurasian Spoonbill
Platalea leucorodia · 1,321,815 records
White-faced Heron
Egretta novaehollandiae · 1,076,561 records
Australian Ibis
Threskiornis molucca · 998,796 records
Indian Pond-Heron
Ardeola grayii · 943,841 records
White-faced Ibis
Plegadis chihi · 887,671 records
Yellow-crowned Night-Heron
Nyctanassa violacea · 879,941 records
Purple Heron
Ardea purpurea · 852,196 records
intermediate egret
Egretta intermedia · 833,009 records
Roseate Spoonbill
Platalea ajaja · 797,128 records
Australian Pelican
Pelecanus conspicillatus · 684,535 records
Hadada Ibis
Bostrychia hagedash · 656,325 records
Striated Heron
Butorides striata · 618,606 records
Great Bittern
Botaurus stellaris · 475,747 records
Sacred Ibis
Threskiornis aethiopicus · 440,500 records
Reddish Egret
Egretta rufescens · 395,770 records
Royal Spoonbill
Platalea regia · 345,066 records
Black-headed Heron
Ardea melanocephala · 332,529 records
Bare-faced Ibis
Phimosus infuscatus · 313,970 records
Black-headed Ibis
Threskiornis melanocephalus · 307,610 records
Cocoi Heron
Ardea cocoi · 297,651 records
Squacco Heron
Ardeola ralloides · 283,370 records
Hamerkop
Scopus umbretta · 229,957 records
Chinese Pond-Heron
Ardeola bacchus · 158,029 records
Pacific Reef-Heron
Egretta sacra · 149,462 records
Whistling Heron
Syrigma sibilatrix · 145,727 records
Great White Pelican
Pelecanus onocrotalus · 138,076 records
Black-faced Ibis
Theristicus melanopis · 137,561 records
Rufous Night-Heron
Nycticorax caledonicus · 136,607 records
Rufescent Tiger-Heron
Tigrisoma lineatum · 135,809 records
Western Reef-Heron
Egretta gularis · 101,661 records
Black-faced Spoonbill
Platalea minor · 93,478 records
Spot-billed Pelican
Pelecanus philippensis · 91,446 records
Peruvian Pelican
Pelecanus thagus · 90,180 records
Dalmatian Pelican
Pelecanus crispus · 56,531 records
Puna Ibis
Plegadis ridgwayi · 41,507 records
Pink-backed Pelican
Pelecanus rufescens · 40,216 records
Scarlet Ibis
Eudocimus ruber · 38,774 records
Javan Pond-Heron
Ardeola speciosa · 38,412 records
Black Heron
Egretta ardesiaca · 37,041 records
Southern Bald Ibis
Geronticus calvus · 26,068 records
Wattled Ibis
Bostrychia carunculata · 5,527 records
Madagascar Pond-Heron
Ardeola idae · 3,997 records