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23,941 species in Pennsylvania
Setophaga petechia
Aix sponsa
Contopus virens
Setophaga coronata
Passerina cyanea
Archilochus colubris
Corvus ossifragus
Seiurus aurocapilla
Mergus merganser
Coragyps atratus
Polioptila caerulea
Setophaga ruticilla
Nannopterum auritum
Corthylio calendula
Piranga olivacea
Tyrannus tyrannus
Corvus corax
Pandion haliaetus
Falco sparverius
Stelgidopteryx serripennis
Myiarchus crinitus
Regulus satrapa
Mniotilta varia
Melospiza georgiana
Pheucticus ludovicianus
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