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Journal Article The Metabolism of Hummingbirds Get access Oliver P. Pearson Oliver P. Pearson Museum of Vertebrate Zoology, Berkeley, California Search for other works by this author on: Oxford Academic Google Scholar The Condor, Volume 52, Issue 4, 1 July 1950, Pages 145–152, https://doi.org/10.2307/1364643 Published: 01 July 1950
Oliver P. Pearson (Sat,) studied this question.