The benefits of being different

Six different colour morphs of the elusive Asiatic golden cat have been discovered in Northeast India—with the findings being hailed as "an evolutionary puzzle—as the world's greatest number of different coloured wild ...

Invasive snakes 'hitchhiking' on planes

A team of international scientists has discovered why brown tree snakes have become one of the most successful invasive species.

Big cats in evolutionary arms race with prey: study

Lions and cheetah are faster, stronger and no less agile than their prey, but zebras and impalas compensate with a surprising tactic, researchers said Wednesday: slow down, and keep the big cats guessing.

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