Search Results - "Kolluru, Gita R"

Exploitation of Sexual Signals by Predators and Parasitoids by Zuk, Marlene, Kolluru, Gita R.

“…Signals used to attract mates are often conspicuous to predators and parasites, and their evolution via sexual selection is expected to be opposed by viability…”
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Carotenoid availability affects the development of a colour-based mate preference and the sensory bias to which it is genetically linked by Grether, Gregory F, Kolluru, Gita R, Rodd, F. Helen, de la Cerda, Jennifer, Shimazaki, Kaori

“…) exhibits a phenotypically plastic response to carotenoid availability, confirming a key prediction of sexual selection theory. Earlier work indicated that…”
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Sex–specific effects of carotenoid intake on the immunological response to allografts in guppies (Poecilia reticulata) by Grether, Gregory F., Kasahara, Shinji, Kolluru, Gita R., Cooper, Edwin L.

“…) for males with carotenoid‐based sexual coloration has been linked to a sensory bias that may have originally evolved for detecting carotenoid‐rich fruits. If…”
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Cross-context behavioural correlations and signals of aggression in females of a livebearing fish by Kolluru, Gita R, Akky, Yasmine J, Weissman, Alana, Poore, Hilary, Weiner, Dana, Earley, Ryan L

“…Behaviours can be adaptively correlated with each other and with other aspects of phenotype. We investigated behaviour across foraging, mating, and risk…”
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Large Snake Size Suggests Increased Snakebite Severity in Patients Bitten by Rattlesnakes in Southern California by Janes, Donald N., Bush, Sean P., Kolluru, Gita R.

“…Objective To correlate rattlesnake size and other characteristics of envenomation with the severity of envenomation. Methods We retrospectively reviewed 145…”
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Tick parasitism impairs contest behavior in the western fence lizard (Sceloporus occidentalis) by Lanser, Dylan M., Vredevoe, Larisa K., Kolluru, Gita R.

“…Parasites may impair host behavior in ways that reduce host fitness, especially when access to territories or mates becomes disrupted. Western fence lizards (…”
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Tests of the positive and functional allometry hypotheses for sexually selected traits in the Jamaican field cricket by Bertram, Susan M., Yaremchuk, Danya D., Reifer, Mykell L., Villarreal, Amy, Muzzatti, Matthew J., Kolluru, Gita R.

“…•We tested hypotheses for why chitinous sexually selected traits differ in allometry.•Allometric steepness was influenced by whether traits were sexually…”
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Teaching animal behavior online: A primer for the pandemic and beyond by Hughes, Melissa, Bertram, Susan M., Young, Anna M., Merry, Justin W., Kolluru, Gita R., Dunlap, Aimee S., Danielson‐Francois, Anne, Weiss, Stacey, Goymann, W.

“…Behavior courses face numerous challenges when moving to an online environment, as has been made necessary by the COVID‐19 pandemic. These challenges occur…”
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The effects of commonly used anaesthetics on colour measurements across body regions in the poeciliid fish, Girardinus metallicus by Wojan, Erin M., Carreiro, Nalana C., Clendenen, David A., Neldner, Heather M., Castillo, Crystal, Bertram, Susan M., Kolluru, Gita R.

“…The effects of common anaesthetics on the hue, saturation and brightness measurements of the poeciliid fish Girardinus metallicus were investigated in two…”
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Food availability and parasite infection influence mating tactics in guppies (Poecilia reticulata) by Kolluru, Gita R., Grether, Gregory F., Dunlop, Eric, South, Sandra H.

“…Despite the important effects of diet and parasite infection on male reproductive behavior, few studies have simultaneously addressed their influence on…”
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Individual colour patches as multicomponent signals by Grether, Gregory F., Kolluru, Gita R., Nersissian, Karen

“…Colour patches are complex traits, the components of which may evolve independently through a variety of mechanisms. Although usually treated as simple,…”
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Positive relationship between risk-taking behaviour and aggression in subordinate but not dominant males of a Cuban poeciliid fish by Bertram, Susan M, Healy, Connor, Hogge, Jessica, Kritikos, Zoe, Pipitone, Jessica, Kolluru, Gita R

“…Studies of integrated phenotypes sometimes reveal correlations between mating effort, favoured by sexual selection, and risk-taking, favoured by survival…”
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Exploring behavioral and hormonal flexibility across light environments in guppies from low-predation populations by Kolluru, Gita R., Walz, Julia, Hanninen, Amanda F., Downey, Kate, Kalbach, Brandy, Gupta, Shelly, Earley, Ryan L.

“…Phenotypic flexibility is essential for organisms to respond to changing environments. Guppies experience light environments that alter their visibility to…”
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The effects of carotenoid and food availability on resistance to a naturally occurring parasite (Gyrodactylus turnbulli) in guppies (Poecilia reticulata) by KOLLURU, GITA R., GRETHER, GREGORY F., SOUTH, SANDRA H., DUNLOP, ERIC, CARDINALI, ANDREA, LIU, LINDA, CARAPIET, ANDREH

“…Dietary carotenoids have been shown to confer immunological benefits to some species of animals in which males also use these pigments to attract mates. Thus,…”
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Mating behavior and its morphological correlates in two color morphs of Girardinus metallicus (Pisces: Poeciliidae), a species previously thought not to exhibit courtship display by Kolluru, Gita R., Bertram, Susan M., Chin, Eric H., Dunmeyer, Catalina V., Graves, Jennifer S.

“…•We describe sexually dichromatic morphs of the Cuban fish, Girardinus metallicus.•Black but not yellow morph males exhibit courtship display involving the…”
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Sexual Selection in Black Morph Girardinus metallicus (Pisces: Poeciliidae): Females Can Spot a Winner (But We Cannot) by Kolluru, Gita R., Castillo, Crystal, Hendrickson, Michele, Hughes, Meghan, Krause, Paris, LePiane, Krista, McCann, Colleen, Pavia, Emily, Porter, Colin, Rodriguez, Rodet, Rodriguez-Cabrera, Tomas, Scott, Ellen, Willrodt, McCall, Bertram, Susan M.

“…Male–male competition may interfere with the ability of females to choose mates by interrupting courtship or by favoring highly aggressive males who may damage…”
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The effects of resource availability on alternative mating tactics in guppies (Poecilia reticulata) by Kolluru, Gita R., Grether, Gregory F.

“…Food availability can influence the optimal allocation of time and energy among alternative behaviors such as foraging, courting, and competing for mates. If…”
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Parasite infection and sand coarseness increase sand crab ( Emerita analoga) burrowing time by Kolluru, Gita R., Green, Zachary S., Vredevoe, Larisa K., Kuzma, Matthew R., Ramadan, Sera N., Zosky, Marc R.

“…► Sand crabs burrow to avoid predation and are intermediate hosts for a parasite. ► Parasite infection and very coarse sand increased burrowing times at three…”
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Environmental and Genetic Influences on Mating Strategies along a Replicated Food Availability Gradient in Guppies (Poecilia reticulata) by Kolluru, Gita R., Grether, Gregory F., Contreras, Heidy

“…Food availability is expected to influence the relative cost of different mating tactics, but little attention has been paid to this potential source of…”
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Reduced reproductive effort in male field crickets infested with parasitoid fly larvae by Kolluru, G. R.

“…Some populations of the field cricket Teleogryllus oceanicus are parasitized by the phonotactic fly Ormia ochracea. Flies locate crickets by their song and…”
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