Inter- and intra-specific variation in hair cortisol concentrations of Neotropical bats. Sandoval-Herrera, N. I, Mastromonaco, G. F, Becker, D. J, Simmons, N. B, & Welch, J. Conservation Physiology, 9(1):coab053, January, 2021. ![Inter- and intra-specific variation in hair cortisol concentrations of Neotropical bats [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex Quantifying hair cortisol has become popular in wildlife ecology for its practical advantages for evaluating stress. Before hair cortisol levels can be reliably interpreted, however, it is key to first understand the intrinsic factors explaining intra- and inter-specific variation. Bats are an ecologically diverse group of mammals that allow studying such variation. Given that many bat species are threatened or have declining populations in parts of their range, minimally invasive tools for monitoring colony health and identifying cryptic stressors are needed to efficiently direct conservation efforts. Here we describe intra- and inter-specific sources of variation in hair cortisol levels in 18 Neotropical bat species from Belize and Mexico. We found that fecundity is an important ecological trait explaining inter-specific variation in bat hair cortisol. Other ecological variables such as colony size, roost durability and basal metabolic rate did not explain hair cortisol variation among species. At the individual level, females exhibited higher hair cortisol levels than males and the effect of body mass varied among species. Overall, our findings help validate and accurately apply hair cortisol as a monitoring tool in free-ranging bats.
@article{sandoval-herrera_inter-_2021,
title = {Inter- and intra-specific variation in hair cortisol concentrations of {Neotropical} bats},
volume = {9},
issn = {2051-1434},
url = {https://doi.org/10.1093/conphys/coab053},
doi = {10.1093/conphys/coab053},
abstract = {Quantifying hair cortisol has become popular in wildlife ecology for its practical advantages for evaluating stress. Before hair cortisol levels can be reliably interpreted, however, it is key to first understand the intrinsic factors explaining intra- and inter-specific variation. Bats are an ecologically diverse group of mammals that allow studying such variation. Given that many bat species are threatened or have declining populations in parts of their range, minimally invasive tools for monitoring colony health and identifying cryptic stressors are needed to efficiently direct conservation efforts. Here we describe intra- and inter-specific sources of variation in hair cortisol levels in 18 Neotropical bat species from Belize and Mexico. We found that fecundity is an important ecological trait explaining inter-specific variation in bat hair cortisol. Other ecological variables such as colony size, roost durability and basal metabolic rate did not explain hair cortisol variation among species. At the individual level, females exhibited higher hair cortisol levels than males and the effect of body mass varied among species. Overall, our findings help validate and accurately apply hair cortisol as a monitoring tool in free-ranging bats.},
number = {1},
urldate = {2022-08-15},
journal = {Conservation Physiology},
author = {Sandoval-Herrera, Natalia I and Mastromonaco, Gabriela F and Becker, Daniel J and Simmons, Nancy B and Welch, Jr, Kenneth C},
month = jan,
year = {2021},
pages = {coab053},
}
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Given that many bat species are threatened or have declining populations in parts of their range, minimally invasive tools for monitoring colony health and identifying cryptic stressors are needed to efficiently direct conservation efforts. Here we describe intra- and inter-specific sources of variation in hair cortisol levels in 18 Neotropical bat species from Belize and Mexico. We found that fecundity is an important ecological trait explaining inter-specific variation in bat hair cortisol. Other ecological variables such as colony size, roost durability and basal metabolic rate did not explain hair cortisol variation among species. At the individual level, females exhibited higher hair cortisol levels than males and the effect of body mass varied among species. 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