American Bullfrog (Lithobates catesbeianus) – Amphibians and Reptiles of Iowa

American Bullfrog Care Sheet – Dubia.com

The largest of all North American frogs, American bullfrog

867 Lithobates Catesbeianus Images, Stock Photos, 3D objects

Bullfrog (Lithobates catesbeianus) - Reptiles and Amphibians of Iowa

A Field Guide to the Amphibians and Reptiles of Iowa

14 COMMON Amphibians in Iowa (ID Guide) - Bird Watching HQ

GISD

American Bullfrog (Lithobates catesbeianus) – Amphibians and

Reptiles and Amphibians of Madison County, Iowa - Phenology Project

The largest of all North American frogs, American bullfrog

Reptiles and Amphibians of Monona County, Iowa - Phenology Project

Green Frog (Lithobates clamitans) – Amphibians and Reptiles of Iowa