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4,118 species in Yellowstone National Park
Myadestes townsendi
Aythya collaris
Hirundo rustica
Sturnella neglecta
Loxia curvirostra
Melospiza lincolnii
Corvus brachyrhynchos
Falco sparverius
Setophaga petechia
Cathartes aura
Oxyura jamaicensis
Mareca strepera
Spizella breweri
Aquila chrysaetos
Melospiza melodia
Podiceps nigricollis
Sturnus vulgaris
Buteo swainsoni
Cyanocitta stelleri
Peromyscus maniculatus
Circus hudsonius
Pipilo chlorurus
Megaceryle alcyon
Troglodytes aedon
Poecile atricapillus
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