Purple Digging Frog Undergoes Amazing Transformation

A strange purple species of frog that lives most of its life underground undergoes a drastic change from rock-clinging tadpole to grown-up digger, new research finds. While most frog tadpoles swim freely in the water, the Indian purple frog (Nasikabatrachus sahyadrensis) spends its tadpole time clinging, with its suckerlike mouth, to the undersides of rocks. "For these remarkable frogs, being clinging and digging specialists seems to have enabled them to survive since the Jurassic," study co-aut