Zobrazeno 1 - 7 of 7 pro vyhledávání: '"Larry W. Lepthien"'
1
Synchronous Eruptions of Boreal Seed-Eating Birds
Autor: Carl E. Bock, Larry W. Lepthien
Publikováno v: The American Naturalist. 110:559-571
Analysis of Audubon Society Christmas-count data (1962-1971) revealed a generally synchronous pattern of winter eruptions between eight species of seed-eating birds whose winter ranges normally include boreal forests. Species and populations occupyin
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7dbd34567de56c27cb3f6bf3c6258677
https://doi.org/10.1086/283091
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2
Winter Biogeography of North American Fringillidae (Aves): A Numerical Analysis
Autor: Larry W. Lepthien, Jeffry B. Mitton, Carl E. Bock
Publikováno v: Systematic Biology. 27:411-420
Bock, C. E., J. B. Mitton, and L. W. Lepthien (Department of Environmental, Population, and Organismic Biology, University of Colorado, Boulder 80309). Winter biogeography of North American Fringillidae (Aves): a numerical analysis. Syst. Zool. 27:41
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3807fe303cb9001e1a228117b054eea5
https://doi.org/10.1093/sysbio/27.4.411
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6
Geographical Ecology of the Common Species of Buteo and Parabuteo Wintering in North America
Autor: Carl E. Bock, Larry W. Lepthien
Publikováno v: The Condor. 78:554
North American hawks of the subfamily Buteoninae have received considerable attention, mostly with regard to their food habits and breeding biologies (e.g., Errington and Breckenridge 1938, Fitch et al. 1946, Smith and Murphy 1973). Twelve species oc
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2f372af83a47a97f9acd86115337ccfd
https://doi.org/10.2307/1367107
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