Stingrays give birth to live babies, but they aren't mammals. Learn all about these fascinating fish that live in oceans and rivers.

Amphibians like frogs and toads are a great way to observe metamorphosis. They lay eggs that develop into tadpoles, and then these tadpoles develop into froglets and toadlets until at last we have our ...

CCTV footage captured the moment a rare leopard cub was born in a zoo - a "huge milestone" for the critically endangered species. Bosses at Dartmoor Zoo in Devon announced the successful birth of the ...