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144,703 species in United States
Chroicocephalus philadelphia
Setophaga caerulescens
Acrocephalus schoenobaenus
Acrocephalus scirpaceus
Periparus ater
Troglodytes hiemalis
Sitta pusilla
Ardea ibis
Uria aalge
Empidonax minimus
Egretta tricolor
Piranga ludoviciana
Callipepla californica
Branta leucopsis
Anhinga anhinga
Anthus rubescens
Gavia stellata
Anser caerulescens
Contopus sordidulus
Branta bernicla
Parkesia noveboracensis
Buteo platypterus
Fringilla montifringilla
Calidris pusilla
Setophaga striata
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