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 ...

Chicago is on the brink of losing a historic landmark: The giant green frog that for years has stood like a silent amphibian sentry over the doors of the city’s Rainforest Cafe, a classic meeting spot ...

Some of a green frog’s heat tolerance might come from its microbiome. Put a wood frog tadpole and a green frog tadpole in water and turn up the heat. The two species live in similar environments, but ...

What may sound like a spa day for frogs is all part of a global effort to fight the chytrid fungus — the deadly pathogen responsible for what scientists have called the largest disease-driven loss of ...

As we exit this awesome month of August, the world of nature continues to be filled with varied and interesting happenings. For the first time since mid-April, we have a setting sun before 8 p.m. The ...

Scientists have been left baffled after a green frog turned blue. The species, the magnificent tree frog, is normally green with white spots across the back, but a newly discovered individual displays ...

To find her mate amidst a cacophony of frog croaks, groans, squeaks and trills, a female green tree frog just needs to take a deep breath. “We think the lungs are working a bit like some ...

Recently I had an opportunity to take pictures of green frogs at eye level. Green frogs (Lithobates clamitans) are a common frog here in Pennsylvania. They usually hang around ponds, lakes, ...

Male green treefrogs attract mates with loud calls, but new research shows parasites can subtly change those signals.