Herpetologist Jens Vindum, dressed as Santa Claus, watches as two reindeer graze on the living roof of the California Academy of Sciences in San Francisco, Tuesday, Nov. 23, 2010. The reindeer will be... more 
Herpetologist Jens Vindum, dressed as Santa Claus, watches as two reindeer graze on the living roof of the California Academy of Sciences in San Francisco, Tuesday, Nov. 23, 2010. The reindeer will be part of a holiday exhibit at the academy called "Tis the Season for Science" that runs through Jan. 2. The Arctic exhibit will include an igloo presentation dome, indoor snow flurries and the reindeer. less 
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Associated Press | Photo By Eric Risberg
Tue, Nov 23, 2010 2:06 PM EST