Northern elephant seals sleep while drifting hundreds of metres below the sea surface - at depths where their predators do not usually lurk. US researchers tracked the animals, recording their ...

weighs as much as 33 elephants and feeds only on krill. However, the requirements for dominating the ocean's food chain include hunting skills, a big appetite, few predators, and often ...

They carry it around, presenting a messy, distasteful and toxic deterrent to would-be predators. Elephant poo is a feast for other species Elephants eat about 200-250 kilograms of veggies every ...

In depth: The war on elephants Why elephants are seeking refuge in Botswana More about Botswana "Predators appear to have increased and were causing a lot of damage as they kill livestock in large ...