Search Results - "Clotfelter, Ethan D."

Carotenoid-based coloration in cichlid fishes by Sefc, Kristina M., Brown, Alexandria C., Clotfelter, Ethan D.

“…Animal colors play important roles in communication, ecological interactions and speciation. Carotenoid pigments are responsible for many yellow, orange and…”
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Experimental cooling during incubation leads to reduced innate immunity and body condition in nestling tree swallows by Ardia, Daniel R., Pérez, Jonathan H., Clotfelter, Ethan D.

“…Nest microclimate can have strong effects that can carry over to later life-history stages. We experimentally cooled the nests of tree swallows (Tachycineta…”
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Size, but not sex, predicts pinch force and exoskeleton mechanical properties in crayfish of the genus Faxonius by Benson, Derek M., Clotfelter, Ethan D.

“…Abstract Studies of animal weaponry and defensive structures rarely take into consideration their underlying mechanical properties. We measured the compressive…”
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Experimental ectoparasite removal has a sex‐specific effect on nestling telomere length by Wolf, Sarah E., Zhang, Samuel, Clotfelter, Ethan D.

“…Parasites are a strong selective force that can influence fitness‐related traits. The length of chromosome‐capping telomeres can be used to assess the…”
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Size, shape, and sex‐dependent variation in force production by crayfish chelae by Malavé, Brian M., Styga, Joseph M., Clotfelter, Ethan D.

“…The ability to generate large closing forces is important for many animals. Several studies have demonstrated that bite or pinching force capacity is usually…”
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Acorn mast drives long-term dynamics of rodent and songbird populations by Clotfelter, Ethan D, Pedersen, Amy B, Cranford, Jack A, Ram, Nilam, Snajdr, Eric A, Nolan, Val Jr, Ketterson, Ellen D

“…Resource pulses can have cascading effects on the dynamics of multiple trophic levels. Acorn mast is a pulsed resource in oak-dominated forests that has…”
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Individual quality and age affect responses to an energetic constraint in a cavity-nesting bird by Ardia, Daniel R., Clotfelter, Ethan D.

“…Individual variation in life-history trade-offs can be caused by differences in quality and age. We tested for individual variation in parental investment in…”
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Experimental heating reveals nest temperature affects nestling condition in tree swallows (Tachycineta bicolor) by Pérez, Jonathan H, Ardia, Daniel R, Chad, Elise K, Clotfelter, Ethan D

“…) nests during incubation to test for effects on parental and nestling conditions. Females incubating in heated boxes maintained higher body condition and fed…”
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What cues do brown-headed cowbirds use to locate red-winged blackbird host nests? by CLOTFELTER, ETHAN D.

“…I examined ecological and behavioural variables influencing the susceptibility of red-winged blackbird,Agelaius phoeniceus, nests to brood parasitism by…”
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Morphology, performance and fluid dynamics of the crayfish escape response by Hunyadi, Jocelyn, Currier, Todd, Modarres-Sadeghi, Yahya, Flammang, Brooke E, Clotfelter, Ethan D

“…Sexual selection can result in an exaggerated morphology that constrains locomotor performance. We studied the relationship between morphology and the…”
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Testing the Carotenoid Trade‐Off Hypothesis in the Polychromatic Midas Cichlid,Amphilophus citrinellus by Lin, Susan M., Nieves‐Puigdoller, Katherine, Brown, Alexandria C., McGraw, Kevin J., Clotfelter, Ethan D.

“…Many animals use carotenoid pigments derived from their diet for coloration and immunity. The carotenoid trade‐off hypothesis predicts that, under conditions…”
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Extensive regional variation in the phenology of insects and their response to temperature across North America by Dunn, Peter O., Ahmed, Insiyaa, Armstrong, Elise, Barlow, Natasha, Barnard, Malcolm A., Bélisle, Marc, Benson, Thomas J., Berzins, Lisha L., Boynton, Chloe K., Brown, T. Anders, Cady, Melissa, Cameron, Kyle, Chen, Xuan, Clark, Robert G., Clotfelter, Ethan D., Cromwell, Kara, Dawson, Russell D., Denton, Elsie, Forbes, Andrew, Fowler, Kendrick, Fraser, Kevin C., Gandhi, Kamal J. K., Garant, Dany, Hiebert, Megan, Houchen, Claire, Houtz, Jennifer, Imlay, Tara L., Inouye, Brian D., Inouye, David W., Jackson, Michelle, Jacobson, Andrew P., Jayd, Kristin, Juteau, Christy, Kautz, Andrea, Killian, Caroline, Kinnear, Elliot, Komatsu, Kimberly J., Larsen, Kirk, Laughlin, Andrew, Levesque‐Beaudin, Valerie, Leys, Ryan, Long, Elizabeth, Lougheed, Stephen C., Mackenzie, Stuart, Marangelo, Jen, Miller, Colleen, Molano‐Flores, Brenda, Morrissey, Christy A., Nicholls, Emony, Orlofske, Jessica M., Pearse, Ian S., Pelletier, Fanie, Pitt, Amber L., Poston, Joseph P., Racke, Danielle M., Randall, Jeannine A., Richardson, Matthew L., Rooney, Olivia, Ruegg, A. Rose, Rush, Scott, Ryan, Sadie J., Sadowski, Mitchell, Schoepf, Ivana, Schulz, Lindsay, Shea, Brenna, Sheehan, Thomas N., Siefferman, Lynn, Sikes, Derek, Stanback, Mark, Styrsky, John D., Taff, Conor C., Uehling, Jennifer J., Uvino, Kathleen, Wassmer, Thomas, Weglarz, Kathryn, Weinberger, Megan, Wenzel, John, Whittingham, Linda A.

“…Climate change models often assume similar responses to temperatures across the range of a species, but local adaptation or phenotypic plasticity can lead…”
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Among-population variation in telomere regulatory proteins and their potential role as hidden drivers of intraspecific variation in life history by Wolf, Sarah E, Woodruff, Mary J, Chang van Oordt, David A, Clotfelter, Ethan D, Cristol, Daniel A, Derryberry, Elizabeth P, Ferguson, Stephen M, Stanback, Mark T, Taff, Conor C, Vitousek, Maren N, Westneat, David F, Rosvall, Kimberly A

“…Biologists aim to explain patterns of growth, reproduction and ageing that characterize life histories, yet we are just beginning to understand the proximate…”
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Bystanders to contests between conspecifics are primed for increased aggression in male fighting fish by Clotfelter, Ethan D, Paolino, Aaron D

“…We performed two experiments in which we allowed a male fighting fish, Betta splendens, designated a bystander, to observe aggressive contests between pairs of…”
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Behavioral changes in fish exposed to phytoestrogens by Clotfelter, Ethan D., Rodriguez, Alison C.

“…We investigated the behavioral effects of exposure to waterborne phytoestrogens in male fighting fish, Betta splendens. Adult fish were exposed to a range of…”
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Carotenoid availability and tradeoffs in female convict cichlids, a reverse sexually-dichromatic fish by Earley, Ryan L., Anderson, Caleb T., Moscicki, Michele K., Norton, Benjamin B., Brown, Alexandria C., Clotfelter, Ethan D.

“…Carotenoid pigments have myriad functions in fish, including coloration and immunity. The “carotenoid trade-off hypothesis” posits that dietary limitation of…”
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Red fish, blue fish: trade-offs between pigmentation and immunity in Betta splendens by Clotfelter, Ethan D., Ardia, Daniel R., McGraw, Kevin J.

“…Carotenoid pigments are responsible for many examples of sexually attractive red, orange, and yellow coloration in animals and play an important role in…”
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Maternal effects of carotenoid supplementation in an ornamented cichlid fish by Brown, Alexandria C, Leonard, Heather M, McGraw, Kevin J, Clotfelter, Ethan D, Lewis, Sara

“…Carotenoid‐ornamented animals may transfer dietary carotenoid pigments to offspring as well as to their ornament and other competing physiological demands. If…”
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Temperature and life history: experimental heating leads female tree swallows to modulate egg temperature and incubation behaviour by Ardia, Daniel R., Pérez, Jonathan H., Chad, Elise K., Voss, Margaret A., Clotfelter, Ethan D.

“…1. Life-history decisions are strongly affected by environmental conditions. In birds, incubation is energetically expensive and affected significantly by…”
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Evidence for male alternative reproductive tactics in convict cichlids (Amatitlania siquia) in Lake Xiloá, Nicaragua by Clotfelter, Ethan D., Johnson, Elizabeth M., Anderson, Caleb, Earley, Ryan L.

“…We present evidence suggesting that some male convict cichlids ( Amatitlania siquia ) in Lake Xiloá, Nicaragua engage in alternative reproductive tactics…”
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