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Browsing Department of Vertebrate Zoology by Author "James, Helen F."
Now showing items 1-20 of 76
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Welch, Andreanna J.; Wiley, Anne E.; James, Helen F.; Ostrom, Peggy H.; Stafford, Thomas W.; Fleischer, Robert C. (2012)In the Hawaiian Islands human colonization, which began approximately 1200 to 800 years ago, marks the beginning of a period in which nearly 75% of the endemic avifauna became extinct and the population size and range of ...
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Thomas, Daniel B.; McGraw, Kevin J.; Butler, Michael W.; Carrano, Matthew T.; Madden, Odile; James, Helen F. (2014)
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Ostrom, Peggy H.; Wiley, Anne E.; James, Helen F.; Rossman, Sam; Walker, William A.; Zipkin, Elise F.; Chikaraishi, Yoshito (2017)
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Olson, Storrs L.; James, Helen F. (1994)
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Iwaniuk, Andrew N.; Nelson, John E.; James, Helen F.; Olson, Storrs L. (2004)Abstract Secondary flightlessness has evolved independently many times in birds. Morphological changes in the pectoral girdle and flight feathers and changes in body size have been associated with the evolution of ...
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James, Helen F. (1991)
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Reding, Dawn M.; Foster, Jeffrey T.; James, Helen F.; Pratt, H. Douglas; Fleischer, Robert C. (2009)Natural selection plays a fundamental role in the ecological theory of adaptive radiation. A prediction of this theory is the convergent evolution of traits in lineages experiencing similar environments. The Hawaiian ...
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Tokita, Masayoshi; Yano, Wataru; James, Helen F.; Abzhanov, Arhat (2017)Adaptive radiation is the rapid evolution of morphologically and ecologically diverse species from a single ancestor. The two classic examples of adaptive radiation are Darwin's finches and the Hawaiian honeycreepers, ...
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Descriptions of thirty-two new species of birds from the Hawaiian Islands: Part 1. Non-Passeriformes Olson, Storrs L.; James, Helen F. (1991)
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James, Helen F.; Olson, Storrs L. (1991)
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James, Helen F.; Burney, David A. (1997)
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Hailer, Frank; James, Helen F.; Olson, Storrs L.; Fleischer, Robert C. (2015)Eagles currently occur in the Hawaiian Islands only as vagrants, but Quaternary bones of Haliaeetus eagles have been found on three of the major islands. A previous study of a ~3500 year-old skeleton from Maui found its ...
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James, Helen F.; Olson, Storrs L. (2005)
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James, Helen F.; Zusi, Richard L.; Olson, Storrs L. (1989)
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Emerging techniques and sampling strategies for museum-based stable isotope studies of avian ecology Wiley, Anne E.; James, Helen F.; Ostrom, Peggy H. (Studies in Avian Biology, no. 50. CRC Press, 2017)
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Burney, David A.; James, Helen F.; Grady, Frederick V.; Rafamantanantsoa, Jean Gervais; Ramalisonina; Wright, Henry T.; Cowart, James B. (1997)
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Langenwalter, P. E.; James, Helen F. (2015)
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Iwaniuk, Andrew N.; Olson, Storrs L.; James, Helen F. (2009)
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James, Helen F.; Olson, Storrs L. (1983)
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Wiley, Anne E.; Welch, Andreanna J.; Ostrom, Peggy H.; James, Helen F.; Stricker, Craig A.; Fleischer, Robert C.; Gandhi, Hasand; Adams, Josh; Ainley, David G.; Duvall, Fern; Holmes, Nick; Hu, Darcy; Judge, Seth; Penniman, Jay; Swindle, Keith A. (2012)
Now showing items 1-20 of 76
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