Dramatic footage shows two Nile crocodiles colliding in Tanzania's Serengeti National Park. The Nile crocodile is Africa's largest crocodilian, growing up to six metres in length and, in some cases, ...

There are plenty of examples of mutualism in nature. Be it the rhinosaurus and the oxpecker, clownfish and sea anemones, or sharks and remora fish, there are unlikely besties in the wild that work ...