A new study from the Smithsonian Tropical Research Institute (STRI) shows that red-eyed treefrog embryos hatch early when exposed to high ammonia levels — an environmental cue that it’s too hot and ...

When frogs start disappearing from a place that they've been in for decades, it can be a warning sign for the whole ecosystem. In Indiana, nature lovers and scientists are raising the red flag for the ...

It had been five years since the first of the frog eggs had been moved, carefully plucked from Mexico's Baja Peninsula and transported by cooler to Southern California. Anny Peralta-Garcia was getting ...

A tree frog: female (larger individual below) laying eggs, which are protected by the 'foam nest' and male (smaller individual above). When it comes to laying eggs, tree frogs have some unusual habits ...

Early spring frogs begin mating calls almost as soon as they wake from hibernation. Frogs spend the Northland winter either in the mud under the pond or buried under leaves on land. Regardless of ...

For spotted salamander embryos nearing hatching, they get by with a little help – not from friends, but from animals that are actually their predators. Voracious frog tadpoles chew on the egg masses, ...

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 ...

At the brink of extinction, the mountain yellow-legged frog, a once plentiful SoCal critter, has a new hope in population replenishing. The Los Angeles Zoo announced Thursday that it successfully bred ...

Around 600 California red-legged frog tadpoles have been released back into the Santa Monica Mountains — after they were rescued from extreme weather by the National Park Service and taken to Long ...