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Polar bear cubs survive on artificial nurturing

A pair of girl-and-boy polar bear twins have survived after three months of artificial nurturing.

April 26, 2011 12:00:00 AM PDT
Twin polar bears in China are beating the odds, surviving thanks to artificial nurturing.

The brother and sister were born in January, but a short time later the mother stopped nursing them. The bears were taken from her and have been reared by breeders.

So far, the polar bears are both growing and appear healthy.

Experts say it is rare for twin polar bears to survive in the wild because the food supply is limited, and the mother often abandons the weaker of the two to feed the stronger.