Quick Take Boulenger’s backpack frog females carry fertilized eggs in a dorsal pouch, providing protection and moisture. Embryos undergo direct development, emerging as fully formed froglets without a ...

THE theories of Roux and Weismann concerning the significance of nuclear division have been the cause of much useful work. The attempt to decide experimentally whether the early divisions of a ...

A new study that compared the effects of cold and warm temperatures on the development of frog eggs into larvae found that environmental temperature significantly changes how the nervous system ...

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 ...

Things got a bit loud when wildlife ecologist Katy Delaney discovered signs that frogs were breeding. For five years, she had kept watch over the rare tadpoles and young frogs in the Santa Monica ...

A new study has revealed that male white-spotted bush frogs dedicatedly guard their fertilized eggs from other cannibalistic male frogs and predators. The study confirmed that the adult male ...

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 ...

Back in March, something wonderful happened. When nighttime temperatures hit the low 40’, when it was rainy and drizzly, huge numbers of amphibians began to move about, heading toward ponds to mate ...