3 Works

Cryptic speciation in the Warbling Vireo (Vireo gilvus)

Scott F. Lovell, M. Ross Lein & Sean M. Rogers
Eastern (Vireo gilvus gilvus) and western (V. g. swainsoni) forms of the Warbling Vireo have essentially allopatric breeding ranges across north-central North America, but come into contact in central Alberta, Canada. In 1986, Jon Barlow presented preliminary morphological and song evidence suggesting that the Warbling Vireo complex might comprise more than one valid species. However, to date Barlow’s suggestion is supported by only limited DNA evidence, demonstration of molt and migration differences between the taxa,...

Data from: Cold adaptation increases rates of nutrient flow and metabolic plasticity during cold exposure in Drosophila melanogaster

Caroline M. Williams, Marshall D. McCue, Nishanth E. Sunny, Andre Szejner-Sigal, Theodore J. Morgan, David B. Allison & Daniel A. Hahn
Metabolic flexibility is an important component of adaptation to stressful environments, including thermal stress and latitudinal adaptation. A long history of population genetic studies suggest that selection on core metabolic enzymes may shape life histories by altering metabolic flux. However, the direct relationship between selection on thermal stress hardiness and metabolic flux has not previously been tested. We investigated flexibility of nutrient catabolism during cold stress in Drosophila melanogaster artificially selected for fast or slow...

Geographic patterns in morphometric and genetic variation for coyote populations with emphasis on southeastern coyotes

Joseph W Hinton, Elizabeth Heppenheimer, Danny Caudill, Melissa L Karlin, Margaret Walch, Bridgett VonHoldt, Michael J Chamberlain, Kyla M. West, John C. Kilgo, John Joseph Mayer & Karl V. Miller
Prior to 1900, coyotes (Canis latrans) were restricted to the western and central regions of North America, but by the early 2000s coyotes became ubiquitous throughout the eastern United States. Information regarding morphological and genetic structure of coyote populations in the southeastern United States is limited, and where data exist, they are rarely compared to those from other regions of North America. We assessed geographic patterns in morphology and genetics of coyotes with special consideration...

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