Why Do Animals Grow Bigger In The Cold?

Friday, February 26, 2010 - 16:28 in Biology & Nature

A possible new solution to a 163-year-old biology puzzle - why animals grow bigger in cold climates - may have been found, according to researchers who say ecological factors can now be added to physiological ones. The results were published in The American Naturalist and they say it offers new insight into 'Bergmann’s rule', an ecogeographic notion that correlates latitude with body mass in animals - animals grow larger at high, cold latitudes than their counterparts closer to read more

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