Journal Article THE NUMBERS OF SPECIES OF HUMMINGBIRDS IN THE WEST INDIES Get access David Lack David Lack Department of Zoology Edward Grey Institute of Field Ornithology South Parks Road Oxford OXI 3PS England Search for other works by this author on: Oxford Academic Google Scholar Evolution, Volume 27, Issue 2, 1 June 1973, Pages 326–337, https://doi.org/10.1111/j.1558-5646.1973.tb00677.x Published: 01 June 1973 Article history Received: 06 March 1972 Published: 01 June 1973
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