LifeReef sharks are being wiped out by overfishing so rays are taking over A global survey reveals that common species of coral reef shark are in sharp decline, and rays are more abundant in reefs where sharks have been depleted News
LifeCrocodiles can reproduce without males – and maybe dinosaurs could too An egg laid by a female American crocodile with no access to males developed into a fully formed fetus in the first known case of "virgin birth" in a crocodilian News