A5078121554- Animal Behavior and Reproduction
- Amphibian and Reptile Biology
- Plant and animal studies
- Species Distribution and Climate Change
- Insect and Arachnid Ecology and Behavior
- Physiological and biochemical adaptations
- Wildlife Ecology and Conservation
- Neurobiology and Insect Physiology Research
- Animal and Plant Science Education
- Fish Ecology and Management Studies
- Genetic diversity and population structure
- Color perception and design
- Animal Vocal Communication and Behavior
- Turtle Biology and Conservation
- Insect and Pesticide Research
- Forest Insect Ecology and Management
- Nutrition and Health Studies
- Land Use and Ecosystem Services
- Plant Reproductive Biology
- Animal Behavior and Welfare Studies
- Marine animal studies overview
- Insect Pheromone Research and Control
- Fish Biology and Ecology Studies
- Ichthyology and Marine Biology
- Lepidoptera: Biology and Taxonomy
Binghamton University
2019-2024
Amazon (United States)
2024
Yale University
2016-2022
Pennsylvania State University
2009-2021
Morpho (United States)
2021
Organization for Tropical Studies
2016-2017
University of Pennsylvania
2014
A central assumption in evolutionary biology is that females of sexually dimorphic species suffer costs when bearing male secondary sexual traits, such as ornamentation. Nevertheless, it common nature to observe rudimentary versions ornaments (e.g. 'bearded ladies'), can be under similar genetic control both sexes. Here, we provide evidence masculinized incur social and reproductive nature. Male fence lizards (Sceloporus undulatus) discriminated against ornamented during mate choice....
Human activities impose novel pressures on amphibians, which are experiencing unprecedented global declines, yet population-level responses poorly understood. A growing body of literature has revealed that noise is an anthropogenic stressor impacts ecological processes spanning subcellular to ecosystem levels. These consequences can selective populations, whether populations adapt unknown. We tested for adaptation traffic noise, a widespread sensory ‘pollutant’. collected eggs wood frogs (...
AbstractColor change serves many antipredator functions and may allow animals to better match environments or disrupt outlines prevent detection. Rapid color could potentially provide camouflage that frequently move among microhabitats. Determining the adaptiveness of whole-animal rapid changes in natural habitats with respect predator visual systems would greatly broaden our fundamental understanding evolution change. We tested whether whole-body provides water anoles (Anolis aquaticus)...
Abstract Background Increases in temperature variability associated with climate change have critical implications for the phenology of wildlife across globe. For example, warmer winter temperatures can induce forward shifts breeding taxa (“false springs”), which put organisms at risk freezing conditions during reproduction or vulnerable early life stages. As human activities continue to encroach on natural ecosystems, it is also important consider how interacts other anthropogenic stressors...
Bubble use evolved in many small invertebrates to enable underwater respiration, but, until recently, there has been no evidence that vertebrate animals bubbles a similar manner. Only one group of vertebrates, semi-aquatic Anolis lizards, may be an exception: these lizards dive when threatened and, while underwater, rebreathe bubble air over their nostrils. Although it seems rebreathing should adaptive, possibly functioning extend the time remain refugia, this not empirically tested. Here, I...
Many species use color change to optimize body coloration changing environmental conditions, and drivers of rapid in natural populations are numerous poorly understood. We examined factors influencing the Water Anole (Anolis aquaticus Taylor, 1956), a lizard possessing color-changing stripes along length its body. quantified three regions (the eye stripe, lateral dorsum) before after exposure mild stressor (handling restraint). Based on current understanding genus Anolis Daudin, 1802, we...
Male sexually selected signals can indicate competitive ability by honestly signaling fitness-relevant traits such as condition or performance. However, behavior also influence contest outcomes; in particular, boldness often predicts dominance rank and mating success. Here, we sought to determine whether male ornament size is associated with consistent individual differences water anoles Anolis aquaticus. We measured the relative of dewlap, a flap skin under chin that lizards, tested for...
Individuals living in rural communities tropical forests rely heavily on subsistence extraction of resources, and usually have strong ties to their local environment. In the Peruvian Amazon, patterns resource are particular interest because potential for human population growth is high, international efforts conserve biodiversity this region widespread. A survey was conducted examine how residents surrounding Iquitos, Peru use environment procure household items (four food types, building...
Sexually dimorphic colour traits are widespread across taxa, but relatively little is known about how and why these features change with body temperature. To examine whether sex directionality (warming vs. cooling) influence temperature-dependent change, we used spectrophotometry to characterize ventral dorsal coloration in eastern fence lizards (Sceloporus undulatus), a species conspecific signals (ventral patches). In general, found that skin (hue) both sexes changed Only patch males...
Abstract Identifying how ecotourism affects wildlife can lower its environmental impact. Human presence is an inherent component of ecotourism, which impact animal behavior because animals often perceive humans as predators and, consequently, spend more time on human‐directed antipredator behaviors and less other fitness‐relevant activities. We tested whether human clothing color water anole ( Anolis aquaticus ) at a popular destination in Costa Rica, testing the hypothesis that are tolerant...
Abstract Females of sexually dimorphic species that bear male‐typical secondary sexual traits, such as male ornaments, may incur costs. However, in some species, ornamented females can be found high numbers, suggesting they experience benefits offset these Some female fence lizards ( Sceloporus undulatus ) possess blue badges are similar to, but less dramatic than, those displayed by males during courtship and dominance contests. bearing have reduced reproductive investment desirable mates,...
Abstract When competing for mates, males of many species use cues from their rivals to evaluate chances success. Signaling behavior is a vital component male–male contests and courtship, may inform rival's quality or intentions. We used eastern fence lizards ( S celoporus undulatus ) investigate how the time male spent signaling during mate competition influenced by his quality, relative own, value contested female. Furthermore, we examined male's behavioral response competitor's signals...
Abstract Little is known about the operation of male mate choice in systems with perceived high costs to choosiness. Scramble mating are one type system which often considered too costly be selected. However, many scramble systems, there also potentially rewards choosiness, as females vary dramatically reproductive output and males typically once per season and/or lifetime. Using wood frogs (Rana sylvatica), we tested whether gain fitness benefits by preferred females. We conducted trials (1...
Male reproduction is not only constrained by the number of encountered females but also physiological limitations, including sperm production and ability to sustain courtship mating. Over a breeding season, stores may drop in tandem with male energetic reserves or motivation, confounding constraints imposed quantity other correlated limitations. We used wood frogs (Lithobates sylvaticus) test whether explosive capital breeders are functionally limited depletion. paired males four conspecific...
Whether or not sexually selected traits consistently exhibit positive allometry (i.e. are disproportionately large in larger individuals) is an ongoing debate. Multiple models and exceptions to this rule suggest that the underlying drivers of sexual trait nuanced. Here, we compare allometries non-sexual a species (Anolis aquaticus) within well-studied lizard genus test competing hypotheses are, not, defined by allometry. We further consider relationships functions, which relatively well...