Workers are continuing to reintroduce state-endangered crawfish frogs to the Angel Mounds Historical Site. The multi-year ...

The fossilized frog, belonging to the species Gansubatrachus qilianensis, was found preserved with eggs still inside her body, making it the oldest gravid frog ever documented. Even more ...

When Xenopus frog eggs are experimentally ruptured, their cytoplasm rearranges itself to form compartments similar to cells, according to a study published October 31 in Science. The researchers, led ...

Instead, the hollow interior fills with water and provides a home for new life to begin — via frog eggs. A new species of tree frog was discovered laying its eggs in the tiny bamboo shaft ...

Frogs mate in a position called amplexus, with the smaller male clasping the female from behind in a ride that can last two days or more. As she lays eggs, he expels sperm to fertilize them.

BREEDING: Relict leopard frogs breed in late January through April, with peak egg-laying activity in February and March. Favored breeding habitat seems to be quiet, shallow pools outside the channel ...