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Key to Amphibians and Reptiles of Illinois
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adults Ambystomatidae amphibians amphibians and reptiles anal plate anal plate divided aquatic back scales strongly birds body box turtle breeding ponds burrows carapace cm CL cm SVL cm TL Colubridae Costal grooves counties dark brown dark spots Description Diet includes Dorsal scale Dorsal scale rows Dorsolateral folds Eastern Eastern ribbon snake Emydidae Endangered Female lays forest gray Habitat hatch head Hylidae Illinois insects invertebrates Jefferson salamander juveniles Key Characters larvae legs light spots lizard Locally common logs main predators Male map turtle Mates Medium-sized midback stripe midbody Fig Mississippi Natural History northern leopard frog orange pattern pigment plastral plastron prairie Predators include Ranidae rat snake reptiles Reptiles of Illinois ribbon snake River rows at midbody scales Fig scales strongly keeled scutes side Similar Species skink smooth snake Colubridae snout softshell southern Status Subspecies supralabial scales swamps tail tip throat toad toe pads treefrog Upland chorus frog usually water snake