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Frogs and Toads of Knox County, Illinois
Bullfrog
Lithobates catesbeianus
Last recorded in 2015
Cope's Gray Treefrog
Hyla chrysoscelis
Last recorded in 2015
Snakes of Knox County, Illinois
Brown Snake
Storeria dekayi
Last recorded in 2009
Common Garter Snake
Thamnophis sirtalis
Last recorded in 2007
Northern Water Snake
Nerodia sipedon
Last recorded in 2009
Racer
Coluber constrictor
Last recorded in 2007
Redbelly Snake
Storeria occipitomaculata
Last recorded in 2009
Smooth Earth Snake
Virginia valeriae
Last recorded in 2009
Western Fox Snake
Pantherophis vulpinus
Last recorded in 2007