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Article
Chad L. Seewagen, Auteur ; Yanju Ma, Auteur ; Yolanda E. Morbey, Auteur ; Christopher G. Guglielmo, AuteurMercury (Hg) is a global pollutant that has wide-ranging impacts on the physiological systems of birds, but almost nothing is known about how this affects migration. We manipulated methylmercury (MeHg) burdens of 24 wild-caught Yellow-rumped War[...]
Article
Chad L. Seewagen, Auteur ; Michael Newhouse, Auteur
Article
Chad L. Seewagen, Auteur ; Christopher G. Guglielmo, Auteur
Article
Noninvasive methods of measuring lipid mass in birds are widely used, but not frequently evaluated. I evaluated the ability of three noninvasive indicators of fat content (fat scores, body mass, body mass/wing chord) and regression models to pre[...]
Article
Chad L. Seewagen, Auteur ; Eric J. Slayton, Auteur
Article
Christopher G. Guglielmo, Auteur ; Liam P. McGuire, Auteur ; Alexander R. Gerson, Auteur ; Chad L. Seewagen, AuteurAn ideal technology for non-invasive analysis of body composition should provide highly precise and accurate direct measurements of fat, lean mass and total water of non-anaesthetized subjects within minutes. We validate a quantitative magnetic [...]
Article
Anthropogenic emissions of mercury have doubled over the past two centuries. Mercury is a dangerous neurotoxin that threatens human health and fish and wildlife populations. The effects of mercury on birds have been relatively well-studied in th[...]
Article
Raymond H. Thomas, Auteur ; Edwin R. Price, Auteur ; Chad L. Seewagen, Auteur ; Stuart A. Mackenzie, Auteur ; Mark A. Bernards, Auteur ; Christopher G. Guglielmo, AuteurPreen wax is important for plumage maintenance and other functions. Its chemical composition is complex, and separating and quantifying its components, commonly by gas chromatography (GC), can be challenging. We present a simple analytical syste[...]
