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

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: The frog's breeding cycle is related to ice melt on lakes, ponds, and marshes and lasts from early February through April, depending on the population's elevation. Eggs are laid in spherical ...

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 ...

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