• Publications
  • Influence
Eagles, Hawks and Falcons of the World
  • 514
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Population Biology.
  • 336
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The Seventy-Five Per Cent Rule for Subspecies
  • 139
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  • PDF
The genera of Corvidae and their relationships
  • 35
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The Superspecies Concept
The concept of "superspecies," as applied to a monophyletic group of allopatric or nearly allopatric taxa that are known or believed to have evolved to the species level, was introduced to theExpand
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ECOLOGY AND THE EVOLUTION OF SOME HAWAIIAN BIRDS
The land animals and plants of isolated archipelagos have evolved from a few straggling colonists which crossed wide expanses of ocean by occasional accidents of dispersal. Many groups numerous onExpand
  • 32
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A Revision oftheSub-Buteonine Hawks (Accipitridae, Aves)
July30,1982 Thispaperisataxonomic review ofthe25 species andapproximately 10genera ofchiefly Neotropical hawkscalled sub-buteonines andallied tothemoreadvanced genusButeo. Generic diagnoses supportedExpand
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