Bird Conservation > Important Bird Areas >

These species include those classified as
Critical, Endangered, Vulnerable, and Near-threatened
on the IUCN RedList, See definitions of IUCN Criteria

Download List and Thresholds (pdf)

Emperor Goose Hawaiian Goose Hawaiian Duck Laysan Duck Steller's Eider Black Scoter* Long-tailed Duck* Northern Bobwhite Greater Sage Grouse Gunnison Sage-Grouse Greater Prairie-Chicken Lesser Prairie-Chicken Yellow-billed Loon* Laysan Albatross Black-footed Albatross Short-tailed Albatross Bermuda Petrel Black-capped Petrel Hawaiian Petrel Cook's Petrel Pink-footed Shearwater Buller's Shearwater Sooty Shearwater "Newell's Shearwater" Black-vented Shearwater Ashy Storm-Petrel Tristram's Storm-Petrel Reddish Egret California Condor Hawaiian Hawk Black Rail Hawaiian Coot Whooping Crane Piping Plover Mountain Plover	Bristle-thighed Curlew Semipalmated Sandpiper* Buff-breasted Sandpiper Heermann's Gull Red-legged Kittiwake Ivory Gull Elegant Tern Marbled Murrelet Kittlitz's Murrelet Scripp's Murrelet* Guadalupe Murrelet* Craveri's Murrelet White-crowned Pigeon Thick-billed Parrot Red-crowned Parrot Spotted Owl Chimney Swift Red-headed Woodpecker Red-cockaded Woodpecker Ivory-billed Woodpecker Olive-sided Flycatcher Bell's Vireo Black-capped Vireo Pinyon Jay Hawaiian Elepaio* Kauai Elepaio* Oahu Elepaio* Florida Scrub-Jay Island Scrub-Jay Millerbird Omao Puaiohi Bicknell's Thrush Bendire's Thrasher Sprague's Pipit	Chestnut-collared Longspur McKay's Bunting Golden-winged Warbler Kirtland's Warbler Cerulean Warbler Golden-cheeked Warbler Bachman's Sparrow Henslow's Sparrow Saltmarsh Sparrow Painted Bunting Tricolored Blackbird Rusty Blackbird Cassin's Finch Laysan Finch Nihoa Finch Palila Maui Parrotbill O'ahu Amakihi Kaua'i Amakihi Anianiau Akiapolaau Akikiki Hawai'i Creeper Maui 'Alauahio Akekee Akepa Iiwi Akohekohe
* Species added or splits since 2012.
Additional Notes: The following species are no longer species of global conservation concern (since 2012): Colima Warbler The following species have been listed as A1 species for the U.S. but are unlikely triggers for U.S. IBAs:Lesser White-fronted Goose, Falcated Duck, Light-mantled Albatross, Murphy's Petrel, Mottled Petrel, Stejneger's Petrel, White-necked Petrel, Cape Verde Shearwater, Jouanin's Petrel, Chinese Egret, Red-footed Falcon, Steller's Sea-Eagle, Black-tailed Godwit, Slender-billed Curlew, Eurasian Curlew, Far Eastern Curlew, Great Knot, Spoon-billed Sandpiper, Long-billed Murrelet, Eared Quetzal, Bahama Swallow, Worthen's Sparrow The following species are likely extinct and have been removed from the list: Eskimo Curlew, Hawaiian Crow, Oloma'o, O'u, Nukupu'u, O'ahu 'Alauahio, Poo-uli, Bachman's Warbler   Updated May 2013

Back to A1 criteria