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842 perching birds species
Spizella pusilla
Thryomanes bewickii
Thryothorus ludovicianus
Vireo solitarius
Pooecetes gramineus
Nucifraga columbiana
Setophaga striata
Loxia leucoptera
Setophaga caerulescens
Pheucticus melanocephalus
Aphelocoma californica
Cistothorus palustris
Setophaga pinus
Troglodytes pacificus
Catharus fuscescens
Myadestes townsendi
Riparia riparia
Poecile hudsonicus
Empidonax minimus
Polioptila caerulea
Parkesia noveboracensis
Poecile gambeli
Sturnella magna
Contopus sordidulus
Sialia mexicana
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