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Country/Territory = USA
Species category = CR
Ordered by Scientific Name

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Number of species 21
Scientific name English name Family Global IUCN Red List Category
Acrocephalus familiaris Millerbird Acrocephalidae (Reed-warblers)
CR
Anas laysanensis Laysan Duck Anatidae (Ducks, Geese, Swans)
CR
Campephilus principalis Ivory-billed Woodpecker Picidae (Woodpeckers)
CR
Gymnogyps californianus California Condor Cathartidae (New World vultures)
CR
Hemignathus affinis Maui Nukupuu Fringillidae (Finches and Hawaiian honeycreepers)
CR (PE)
Hemignathus hanapepe Kauai Nukupuu Fringillidae (Finches and Hawaiian honeycreepers)
CR (PE)
Loxioides bailleui Palila Fringillidae (Finches and Hawaiian honeycreepers)
CR
Loxops caeruleirostris Akekee Fringillidae (Finches and Hawaiian honeycreepers)
CR
Loxops ochraceus Maui Akepa Fringillidae (Finches and Hawaiian honeycreepers)
CR (PE)
Myadestes lanaiensis Olomao Turdidae (Thrushes)
CR (PE)
Myadestes palmeri Puaiohi Turdidae (Thrushes)
CR
Numenius borealis Eskimo Curlew Scolopacidae (Sandpipers, Snipes, Phalaropes)
CR (PE)
Oreomystis bairdi Akikiki Fringillidae (Finches and Hawaiian honeycreepers)
CR
Palmeria dolei Akohekohe Fringillidae (Finches and Hawaiian honeycreepers)
CR
Paroreomyza maculata Oahu Alauahio Fringillidae (Finches and Hawaiian honeycreepers)
CR (PE)
Pseudonestor xanthophrys Maui Parrotbill Fringillidae (Finches and Hawaiian honeycreepers)
CR
Psittirostra psittacea Ou Fringillidae (Finches and Hawaiian honeycreepers)
CR (PE)
Puffinus bryani Bryan's Shearwater Procellariidae (Petrels, Shearwaters)
CR
Puffinus newelli Newell's Shearwater Procellariidae (Petrels, Shearwaters)
CR
Telespiza ultima Nihoa Finch Fringillidae (Finches and Hawaiian honeycreepers)
CR
Vermivora bachmanii Bachman's Warbler Parulidae (New World warblers)
CR (PE)