With one look at the collection of quills on their backs, you’d think the porcupine and the hedgehog are related. However, while they’re both mammals, they have a lot of notable differences.

It’s the only cold-hardy porcupine in the world, and one of the few that regularly climb trees. Their name derives from the Latin for “quill pig,” but the Kanien’kehá:ka (Mohawks) ...

Dana Allen (USA/Zimbabwe) watches as a porcupine uses it spiky quills to defend itself against a leopard. Dana noticed the young leopard first then followed its interaction with the porcupines. ‘I ...