Tadpole species that lost their lungs through evolution never re-evolve them, even when environmental change would make it advantageous—bucking long-standing assumptions about how lost traits can ...

Eiffinger's tree frogs lay eggs in an isolated water bodies such as a gap between plant stems. Their tadpoles hold onto their poop for months to reduce risk of contaminating their small spawning areas ...

Students in a conservation data science class at St. Vrain Valley’s Innovation Center are working to shepherd about 400 northern leopard frog tadpoles to maturity so they can be released in the wild ...