Search Results - "Varian, Claire W."

Integrative behavioral ecotoxicology： bringing together fields to establish new insight to behavioral ecology, toxicology, and conservation by Peterson, Elizabeth K., Buchwalter, David B., Kerby, Jacob L., LeFauve, Matthew K., Varian-Ramos, Claire W., Swaddle, John P.

“…The fields of behavioral ecology, conservation science, and environmental toxicology individually aim to protect and manage the conservation of wildlife in…”
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Effect of laying sequence on egg mercury in captive zebra finches: An interpretation considering individual variation by Ou, Langbo, Varian-Ramos, Claire W., Cristol, Daniel A.

“…Bird eggs are used widely as noninvasive bioindicators for environmental mercury availability. Previous studies, however, have found varying relationships…”
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Embryological staging of the Zebra Finch, Taeniopygia guttata by Murray, Jessica R., Varian-Ramos, Claire W., Welch, Zoe S., Saha, Margaret S.

“…ABSTRACT Zebra Finches (Taeniopygia guttata) are the most commonly used laboratory songbird species, yet their embryological development has been poorly…”
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Lifelong exposure to methylmercury disrupts stress‐induced corticosterone response in zebra finches (Taeniopygia guttata) by Moore, Christina S, Cristol, Daniel A, Maddux, Sarah L, Varian‐Ramos, Claire W, Bradley, Eric L

“…Mercury can disrupt the endocrine systems of mammals and fish, but little is known about its effects on avian hormones. The authors employed an experimental…”
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Blood Mercury Levels of Zebra Finches Are Heritable: Implications for the Evolution of Mercury Resistance by Buck, Kenton A, Varian-Ramos, Claire W, Cristol, Daniel A, Swaddle, John P

“…Mercury is a ubiquitous metal contaminant that negatively impacts reproduction of wildlife and has many other sub-lethal effects. Songbirds are sensitive…”
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Mercury reduces avian reproductive success and imposes selection: an experimental study with adult- or lifetime-exposure in zebra finch by Varian-Ramos, Claire W, Swaddle, John P, Cristol, Daniel A

“…Mercury is a global pollutant that biomagnifies in food webs, placing wildlife at risk of reduced reproductive fitness and survival. Songbirds are the most…”
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Female‐biased offspring sex ratios in birds at a mercury‐contaminated river by Bouland, Andrew J, White, Ariel E, Lonabaugh, Kevin P, Varian‐Ramos, Claire W, Cristol, Daniel A

“…Mercury is a ubiquitous environmental pollutant that can negatively impact physiology and behavior of vertebrates, causing sub‐lethal changes in condition and…”
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Correlates of bird collisions with buildings across three North American countries by Elmore, Jared A., Hager, Stephen B., Cosentino, Bradley J., O'Connell, Timothy J., Riding, Corey S., Anderson, Michelle L., Bakermans, Marja H., Boves, Than J., Brandes, David, Butler, Eric M., Butler, Michael W., Cagle, Nicolette L., Calderón‐Parra, Rafael, Capparella, Angelo P., Chen, Anqi, Cipollini, Kendra, Conkey, April A.T., Contreras, Thomas A., Cooper, Rebecca I., Corbin, Clay E., Curry, Robert L., Dosch, Jerald J., Dyson, Karen L., Fraser, Erin E., Furbush, Ross A., Hagemeyer, Natasha D. G., Hopfensperger, Kristine N., Klem, Daniel, Lago, Elizabeth A., Lahey, Ally S., Machtans, Craig S., Madosky, Jessa M., Maness, Terri J., McKay, Kelly J., Menke, Sean B., Ocampo‐Peñuela, Natalia, Ortega‐Álvarez, Rubén, Pitt, Amber L., Puga‐Caballero, Aura, Quinn, John E., Roth, Amber M., Schmitz, Ryan T., Schnurr, Jaclyn L., Simmons, Matthew E., Smith, Alexis D., Varian‐Ramos, Claire W., Walters, Eric L., Walters, Lindsey A., Weir, Jason T., Winnett‐Murray, Kathy, Zuria, Iriana, Vigliotti, Jesse, Loss, Scott R.

“…Collisions with buildings cause up to 1 billion bird fatalities annually in the United States and Canada. However, efforts to reduce collisions would benefit…”
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Multiple hypotheses explain variation in extra‐pair paternity at different levels in a single bird family by Brouwer, Lyanne, van de Pol, Martijn, Aranzamendi, Nataly Hidalgo, Bain, Glen, Baldassarre, Daniel T., Brooker, Lesley C., Brooker, Michael G., Colombelli‐Négrel, Diane, Enbody, Erik, Gielow, Kurt, Hall, Michelle L., Johnson, Allison E., Karubian, Jordan, Kingma, Sjouke A., Kleindorfer, Sonia, Louter, Marina, Mulder, Raoul A., Peters, Anne, Pruett‐Jones, Stephen, Tarvin, Keith A., Thrasher, Derrick J., Varian‐Ramos, Claire W., Webster, Michael S., Cockburn, Andrew

“…Extra‐pair paternity (EPP), where offspring are sired by a male other than the social male, varies enormously both within and among species. Trying to explain…”
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relative importance of male tail length and nuptial plumage on social dominance and mate choice in the red-backed fairy-wren Malurus melanocephalus: evidence for the multiple receiver hypothesis by Karubian, Jordan, Swaddle, John P., Varian-Ramos, Claire W., Webster, Michael S.

“…Understanding why males of many species exhibit two or more sexual ornaments depends upon identifying both the information conveyed and the intended…”
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Female Red-Backed Fairy-Wrens (Malurus Melanocephalus) Do Not Appear to Pay a Cost For High Rates of Promiscuity by Varian-Ramos, Claire W, Lindsay, Willow R, Karubian, Jordan, Webster, Michael S

“…Males of monogamous species are expected to increase their overall fitness by engaging in extrapair copulations, but the fitness implications of this behavior…”
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Mercury in waterfowl from a contaminated river in Virginia by Cristol, Daniel A., Savoy, Lucas, Evers, David C., Perkins, Christopher, Taylor, Robert, Varian-Ramos, Claire W.

“…Many bodies of water around the world are contaminated with mercury from historic industrial and mining activities or ongoing atmospheric deposition, resulting…”
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Plumage color and reproduction in the red-backed fairy-wren: Why be a dull breeder? by Webster, Michael S., Varian, Claire W., Karubian, Jordan

“…Males of many species can breed in distinct alternative phenotypes; for example, in many birds some males breed in dull plumage while others breed in bright…”
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Explaining variation in Colorado songbird blood mercury using migratory behavior, foraging guild, and diet by Knutsen, Carley J., Varian-Ramos, Claire W.

“…Methylmercury is a contaminant of growing global concern that has been shown to accumulate in a variety of taxa, including songbirds. Birds in the same area…”
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Plumage colour acquisition and behaviour are associated with androgens in a phenotypically plastic tropical bird by Lindsay, Willow R., Webster, Michael S., Varian, Claire W., Schwabl, Hubert

“…Androgens regulate male reproductive behaviour and may be a mechanistic link between sexual signals and physiological condition. However, the role of these…”
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Effects of Lead (Pb) from Smelter Operations in an Urban Terrestrial Food Chain at a Colorado Superfund Site by Peterson, Elizabeth K., Carsella, James, Varian-Ramos, Claire W., Schiffer, Teyah, Staples, Sean Kyle, Diawara, Moussa

“…Lead (Pb) is ubiquitous in urban environments, and it is a risk factor for wildlife. But wildlife are particularly at risk for exposure near smelters in urban…”
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Extrapair copulations reduce inbreeding for female red-backed fairy-wrens, Malurus melanocephalus by Varian-Ramos, Claire W., Webster, Michael S.

“…In many socially monogamous species, females copulate with and produce offspring sired by males other than their social mates, yet it remains controversial…”
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Sexually selected traits as bioindicators: exposure to mercury affects carotenoid-based male bill color in zebra finches by Spickler, Jessica L., Swaddle, John P., Gilson, Rebecca L., Varian-Ramos, Claire W., Cristol, Daniel A.

“…To examine whether sexually selected traits are particularly sensitive bioindicators of environmental toxicants, we assessed the effects of exposure to…”
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Decreased Immune Response in Zebra Finches Exposed to Sublethal Doses of Mercury by Lewis, Catherine A., Cristol, Daniel A., Swaddle, John P., Varian-Ramos, Claire W., Zwollo, Patty

“…Mercury (Hg) is a ubiquitous contaminant with deleterious effects on many wildlife species. Most studies to date have focused on fish-eating birds and mammals…”
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Mercury delays cerebellar development in a model songbird species, the zebra finch by Scoville, Sheila A., Varian-Ramos, Claire W., Adkins, G. Alden, Swaddle, John P., Saha, Margaret S., Cristol, Daniel A.

“…Mercury exposure can disrupt development of the cerebellum, part of the brain essential for coordination of movement through a complex environment, including…”
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