The University of Wisconsin Arboretum will once again be part of the Wisconsin Department of Natural Resource’s annual Wisconsin Frog and Toad Survey to estimate the populations of frog and toad ...

The American toad is one of the most well-known toad species throughout North America. Its notable warts and big, round eyes differentiate it from other species, but its call is also unique. You might ...

The northern leopard frog is often discussed as the earliest frog sound you’ll hear when the temperatures begin to rise. The more frog calls you hear, the better the ecosystem. Many frog calls begin ...

Preface -- General account -- Common names -- Present classifications -- Scientific name -- Specific evaluation of our North American forms -- Range -- Habitat ...