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 ...

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 ...

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 ...