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 ...

On a morning walk InMenlo contributing photographer Robb Most spotted lots of tadpoles swimming in Sharon Pond. We know the ...

The period from mid-March to mid-April is critical for the lifecycle of most amphibians. Many species of salamanders 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 ...

The Phoenix Zoo recently released 1,000 tadpoles into the Tonto National Forest, part of a program to save the threatened Chiricahua leopard frog. The zoo collects eggs every year, and those eggs ...

Red-eyed tree frogs, Agalychnis callidryas, lay their eggs on foliage at the edge of ponds; when the tadpoles hatch, they fall into the water. Normally, an egg hatches six to seven days after it is ...

Add Yahoo as a preferred source to see more of our stories on Google. Many amphibians use vernal pools (temporary ponds) for breeding. These ponds do not contain fish that could eat their eggs. Timing ...