The moon is high over the Mission Valley as Briana Rentschler’s kayak slips silently into a marshy wetland near the Ninepipe ...

Most recognize the African bullfrog (Pyxicephalus adspersus) as one of Africa’s largest known frogs, but there’s actually a lot more to this large amphibian than meets the eye. When it comes time to ...

Conservation biologist Brian Gratwicke searches with his team for frogs in Altos de Campana National Park in Panama. Nate ...

African bullfrogs approach parenting a little differently from many other species. It is the males who take on the heavy lifting when it comes to childcare duties. The dad in this extraordinary ...

Rick Koval and I didn’t catch an adult bullfrog for our herp series this summer, but what we did find was more than suitable to cross the species off the list. It was a bullfrog tadpole, and it was ...

Scientists have discovered three rare frog species in Tanzania that give birth to live young - skipping the tadpole stage entirely.

Nectophrynoides comprise only about one percent of all frogs and toads, but that number is officially increasing. In a study published in the journal Vertebrate Zoology, biologists describe an ...

Researchers have newly described three extremely rare species of toad that leapfrog over the egg-to-tadpole stage and give ...

Researchers from around the world have made a very cool toad-related discovery. They identified three previously unknown ...

Nitya Mohanty received funding for this work from the Center for Invasion Biology, Department of Botany and Zoology, Stellenbosch University and the Rufford foundation. The Indian bullfrog, which is ...

Forbes contributors publish independent expert analyses and insights. GrrlScientist writes about evolution, ecology, behavior and health. Recently, two species of frogs were discovered on the ...