Photo: Boozing Mammal Drinks "Beer" Every Night, Study Finds



Malaysia's pen-tailed tree shrew (above) regularly drinks fermented palm "beer," which in turn helps pollinate the palms' flowers, scientists reported in July 2008.

Since the tiny mammal is related to primate ancestors, the find also suggests humans' taste for alcohol may have begun well before the believed advent of brewing about 9,000 years ago.

Photograph courtesy Annette Zitzmann


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