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Journal Article NUMBERS OF BIRD SPECIES ON THE CALIFORNIA ISLANDS Get access Dennis M. Power Dennis M. Power Department of Ornithology Royal Ontario Museum and Department of Zoology University of Toronto Toronto Ontario Canada Search for other works by this author on: Oxford Academic Google Scholar Evolution, Volume 26, Issue 3, 1 September 1972, Pages 451–463, https://doi.org/10.1111/j.1558-5646.1972.tb01949.x Published: 01 September 1972 Article history Received: 22 October 1971 Published: 01 September 1972
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