Illinois Flora and Fauna
Frogs	Salamander	Snails
Snakes	Frogs and Toads	Turtles
Bitterns	Herons Bitterns and Egrets	Catbird
Illinois Natural History Survey Amphibians	Illinois Natural History Survey - Birds	Pictoral Guide to Illinois Birds
Illinois Natural History Survey - Fish	Illinois Department of Natural Resources - Flora	Illinois Wildflowers and Grasses
Illinois State Museum - Mammals	Mammals of the Great Lakes Region	Illinois State Museum - Trees