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Volume 213 Issue 5, 8 September 2012

WILDLIFE SERIES: POLAR BEARS

The cover images in volume 213 of the journal all feature mouths and teeth from different members of the animal kingdom. The cover of this issue depicts polar bears (Ursus maritimus). Healthy adult polar bears have 42 razor sharp teeth reflecting their highly carnivorous diet. They are the largest living land carnivores and are classed as 'vulnerable animals' by the WWF.

Photograph by Sharif Islam

www.slickpic.com/u/AlphaWhiskey

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