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Article
Simon G. English, Auteur ; Rita R. Colwell, Auteur ; Barbara W. Robinson, Auteur ; Holly B. Ernest, Auteur ; Christine A. Bishop, Auteur ; Ruta R. Bandivadekar, Auteur ; Lisa A. Tell, AuteurHummingbirds in North America are currently experiencing contrasting population changes, and little is known about the factors contributing to these changes. We examined the demography of two species and one genus of hummingbirds in western Nort[...]
Article
Michael R. Buchalski, Auteur ; Asako Y. Navarro, Auteur ; Walter M. Boyce, Auteur ; T. Winston Vickers, Auteur ; Mathias W. Tobler, Auteur ; Lisa A. Nordstrom, Auteur ; Jorge Alaniz Garcia, Auteur ; Daphne A. Gille, Auteur ; Maria Cecilia T. Penedo, Auteur ; Oliver A. Ryder, Auteur ; Holly B. Ernest, AuteurWithin the United States (US), Peninsular bighorn sheep (Ovis canadensis nelsoni, PBS) are listed as federally endangered. Despite known metapopulation structure, little is known regarding functional connectivity across the international border [...]
Article
Loreto A. Godoy, Auteur ; Lisa A. Tell, Auteur ; Holly B. Ernest, AuteurThe hummingbird family (Trochilidae) is species rich; however the effects of infectious agents and diseases on these birds have received little attention. We compiled and summarized published findings describing disease conditions in hummingbird[...]
Article
Sarah Pitzer, Auteur ; Joshua Hull, Auteur ; Holly B. Ernest, Auteur ; Angus C. Hull, AuteurAccurate identification of sex is important for many raptor studies, but may be difficult to determine in the field for some species. Because of size differences between males and females, morphological measurements have often been used to sex r[...]
