Blathers' Blabber: The most distinguishing feature of saw stags are their large, curved jaws. The inner parts of their jaws look like saws, which is how they get their moniker. When they feel ...

Armed with a ferocious pair of mandibles, male stag beetles appear well prepared to take on the world. 'Their jaws are not just for ornamentation, they really use them to fight', says Jana Goyens from ...