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420 bird species in Big Bend National Park
Cathartes aura
Zenaida asiatica
Mimus polyglottos
Campylorhynchus brunneicapillus
Haemorhous mexicanus
Dryobates scalaris
Geococcyx californianus
Corvus corax
Cardinalis sinuatus
Amphispiza bilineata
Aphelocoma wollweberi
Myiarchus cinerascens
Vireo bellii
Melozone fusca
Setophaga coronata
Sayornis saya
Zenaida macroura
Cardinalis cardinalis
Auriparus flaviceps
Icterus parisorum
Catherpes mexicanus
Polioptila caerulea
Callipepla squamata
Pyrocephalus rubinus
Spizella passerina
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