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

In the late ‘80s, crawfish frogs mysteriously disappeared from the Angel Mounds State Historic Site in Vanderburgh County. Regionally, they’re a species of "greatest conservation need." ...

Instead, the hollow interior fills with water and provides a home for new life to begin — via frog eggs. A new species of ...

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 ...

The purple frog is something of a mystery. The female, carrying eggs in her belly and her much smaller mate on her back, crawls towards the nearest forest stream and lays her eggs in a tight ...

Doctors would inject a woman's urine into the back of a female frog; if positive, the frog would lay eggs. Frog or "Hogben" tests were commonplace from the 1940s through the early 1960s.

The “leopard”-print coloration on the back of the thighs contributes ... rain calls and those associated with egg laying, researchers said. The frogs primarily live in plains and low mountains ...

A new species of tree frog was discovered laying its eggs in the tiny bamboo shaft puddles ... brown” irises and a Y-shaped pattern on its back, researchers said. Luo J, Zhang B'an, Pan Y ...