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23,026 species in Illinois
Passerina caerulea
Catharus minimus
Aythya valisineria
Chroicocephalus philadelphia
Setophaga tigrina
Charadrius semipalmatus
Anas rubripes
Colinus virginianus
Vireo solitarius
Cistothorus stellaris
Centronyx henslowii
Parkesia motacilla
Setophaga pinus
Vermivora cyanoptera
Vermivora chrysoptera
Gavia immer
Cardellina canadensis
Geothlypis formosa
Ammodramus savannarum
Buteo platypterus
Falco columbarius
Bombus impatiens
Egretta caerulea
Vireo philadelphicus
Calidris alpina
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