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Popular traits
4,849 species in Grand Canyon National Park
Corvus corax
Poecile gambeli
Sialia mexicana
Aphelocoma woodhouseii
Junco hyemalis
Sitta carolinensis
Cathartes aura
Baeolophus ridgwayi
Sitta pygmaea
Tachycineta thalassina
Cyanocitta stelleri
Colaptes auratus
Aeronautes saxatalis
Pipilo maculatus
Turdus migratorius
Passer domesticus
Spizella passerina
Setophaga nigrescens
Setophaga coronata
Salmo trutta
Gymnogyps californianus
Salpinctes obsoletus
Buteo jamaicensis
Psaltriparus minimus
Haemorhous mexicanus
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