Zoo Slams Visitors For Stroking Tiger Cub On The Head To Bring Good Luck

A Chinese zoo has defended itself over footage of visitors flocking to scratch the head of a tiger cub believing

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Female Hummingbirds Can Disguise Themselves As Males In Order To Avoid Being S3xually Harassed

Researchers studying the changes in the colour of hummingbird plumage have found that some females change their colours to appear

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