Wisconsin Frog and Toad Survey

image of American Bullfrog Common Name:
American Bullfrog

Scientific Name:
Rana catesbeiana

Calling Period:
Summer. 1 - 15 July, and
when pond temperatures
have reached 70°F (21C)



This site is produced in conjunction with the Wisconsin Aquatic and Terrestrial Resources Inventory and sponsored by the Wisconsin Department of Natural Resources and the Beaver Creek Reserve. The information presented on this site is subject to the Wisconsin Department of Natural Resources' Legal Notices, Disclaimers, and Terms of Use.