Q. You once wrote that blue pigment is not known to exist in any terrestrial or freshwater animals with backbones. I found a blue bullfrog in a marsh in Virginia. It was mostly blue with some gray ...

Ptychadena nana individuals with green and brown color morphs. Image courtesy of Sandra Goutte. A team of researchers at NYU Abu Dhabi (NYUAD) has uncovered how a common color variation in frogs has ...

Frogs are some of the most widespread amphibians in the United States, thriving in pretty much any area with plenty of water, ...

Researchers found a new species of “robust” and color-changing tree frogs in China, according to a new study. Photo by Guohua Yu via Zoosystematics and Evolution A group of green-skinned creatures ...

A traveling exhibit of frogs will open at Museum of the Rockies this week. “Visitors can explore the biology, natural history, cultural significance and ecosystem importance of frogs, along with the ...