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 ...

In nature, timing isn’t just important — it’s everything. A frog hatching a few days earlier, a plant blooming out of season or a predator emerging later than normal can trigger ripple effects through ...

Just 3 cm long, this newly discovered female frog from Peru carries its eggs in a special pouch-like structure on her back.

Both frogs and toads need water to survive.  Both species lay their eggs in water and their eggs hatch into tadpoles.  Tadpoles cannot survive in open air. The differences in frogs and toads ...

The marsupial frog and Wollumbin hip-pocket frog are the only two Australian frog species known to show parental care. And ...

Even as little embryos in eggs, red-eyed tree frogs are totally badass. Researchers have discovered that when the embryos are attacked by a hungry predator, they can wiggle their way out of their eggs ...