The Frog and Toad survey is a citizen-based monitoring program. Surveys are conducted to determine the status, distribution and long-term population trends of Wisconsin’s 12 frog/toad species.

The American bullfrog (Lithobates catesbeianus) is the largest North American frog species ... and South America. Bullfrogs are an especially aggressive invasive species because of their size ...

A team of researchers has rediscovered a frog species which has not been seen ... the amphibians that inhabit the southern cone of South America, emphasizing the urgency of their study and ...

Wisconsin's DNR calls for volunteers for their annual Frog and Toad Survey to help monitor amphibian populations.

Given its limited region and threats to its habitats, the Indian purple frog is considered an endangered species. As few as 130 frogs have been recorded, with less than five females found in their ...

A new report co-authored by a Canadian researcher warns that more than one-fifth of pollinator species it studied in North America are at risk of extinction. Out of 759 pollinators — animals ...

The team planned to study two similar-looking frog species until they came across some other distinctive frogs during their surveys in Peru, the study said. An Allobates liniaureum, or golden line ...