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4,501 species in Indiana Dunes National Park
Calidris minutilla
Empidonax alnorum
Contopus cooperi
Anas rubripes
Troglodytes hiemalis
Anthus rubescens
Coccyzus erythropthalmus
Aythya collaris
Tringa melanoleuca
Melanitta perspicillata
Mareca americana
Clangula hyemalis
Empidonax flaviventris
Buteo lagopus
Leiothlypis celata
Gallinago delicata
Lanius borealis
Megascops asio
Chroicocephalus philadelphia
Icteria virens
Pseudacris crucifer
Acanthis flammea
Charadrius semipalmatus
Aythya valisineria
Oporornis agilis
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