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2,243 species in Mammoth Cave National Park
Melospiza melodia
Icteria virens
Setophaga magnolia
Setophaga pensylvanica
Sphyrapicus varius
Regulus satrapa
Setophaga castanea
Branta canadensis
Icterus galbula
Icterus spurius
Aix sponsa
Leiothlypis ruficapilla
Megaceryle alcyon
Ardea herodias
Haemorhous purpureus
Myotis sodalis
Setophaga fusca
Sturnella magna
Catharus fuscescens
Progne subis
Passer domesticus
Sitta canadensis
Tachycineta bicolor
Charadrius vociferus
Vireo solitarius
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