Female philopatry may influence antipredatory behavior in a solitary mammal

Whether neighboring individuals are related or not has a number of important ecological & evolutionary ramifications. Kin selection resulting from philopatry can play an important role in social and antipredatory behavior. Ground squirrels exhibit alarm vocalizations in the presence of predators...

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Main Authors: Alexandra Burnett, Michelle Hein, Natalie Payne, Karla L. Vargas, Melanie Culver, John L. Koprowski
Format: Article
Language:English
Published: PeerJ Inc. 2025-03-01
Series:PeerJ
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Online Access:https://peerj.com/articles/18933.pdf
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author Alexandra Burnett
Michelle Hein
Natalie Payne
Karla L. Vargas
Melanie Culver
John L. Koprowski
author_facet Alexandra Burnett
Michelle Hein
Natalie Payne
Karla L. Vargas
Melanie Culver
John L. Koprowski
author_sort Alexandra Burnett
collection DOAJ
description Whether neighboring individuals are related or not has a number of important ecological & evolutionary ramifications. Kin selection resulting from philopatry can play an important role in social and antipredatory behavior. Ground squirrels exhibit alarm vocalizations in the presence of predators; however, the degree to which kin selection shapes alarm calling behavior varies with species ecology and the degree of relatedness between neighbors. We studied a solitary ground squirrel species that exhibits sex-biased calling propensity to determine if female philopatry may be responsible for sex differences in antipredatory behavior observed in our population. We used double digest restriction-site associated DNA sequencing (ddRADseq) to sample the genomes of Harris’s antelope squirrel (Ammospermophilus harrisii) to determine the relatedness between individuals and test whether genetic and geographic distance were correlated. We found that geographic distance had a positive relationship with genetic distance, and that this relationship was sex-dependent, suggesting male-biased dispersal. Our results provide supporting evidence that female philopatry may be responsible for higher calling propensity observed in female squirrels, potentially influencing antipredatory behavior in this species via kin selection. Our findings add to a growing body of evidence that philopatry is an important ecological driver influencing sociospatial organization in solitary species.
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spelling doaj-art-ff0b24a25bac4aca8f0cba14b29455bf2025-08-20T02:50:56ZengPeerJ Inc.PeerJ2167-83592025-03-0113e1893310.7717/peerj.18933Female philopatry may influence antipredatory behavior in a solitary mammalAlexandra Burnett0Michelle Hein1Natalie Payne2Karla L. Vargas3Melanie Culver4John L. Koprowski5School of Natural Resources and the Environment, University of Arizona, Tucson, AZ, United StatesEcology and Evolutionary Biology, University of Arizona, Tucson, AZ, United StatesSchool of Natural Resources and the Environment, University of Arizona, Tucson, AZ, United StatesSchool of Natural Resources and the Environment, University of Arizona, Tucson, AZ, United StatesSchool of Natural Resources and the Environment, University of Arizona, Tucson, AZ, United StatesSchool of Natural Resources and the Environment, University of Arizona, Tucson, AZ, United StatesWhether neighboring individuals are related or not has a number of important ecological & evolutionary ramifications. Kin selection resulting from philopatry can play an important role in social and antipredatory behavior. Ground squirrels exhibit alarm vocalizations in the presence of predators; however, the degree to which kin selection shapes alarm calling behavior varies with species ecology and the degree of relatedness between neighbors. We studied a solitary ground squirrel species that exhibits sex-biased calling propensity to determine if female philopatry may be responsible for sex differences in antipredatory behavior observed in our population. We used double digest restriction-site associated DNA sequencing (ddRADseq) to sample the genomes of Harris’s antelope squirrel (Ammospermophilus harrisii) to determine the relatedness between individuals and test whether genetic and geographic distance were correlated. We found that geographic distance had a positive relationship with genetic distance, and that this relationship was sex-dependent, suggesting male-biased dispersal. Our results provide supporting evidence that female philopatry may be responsible for higher calling propensity observed in female squirrels, potentially influencing antipredatory behavior in this species via kin selection. Our findings add to a growing body of evidence that philopatry is an important ecological driver influencing sociospatial organization in solitary species.https://peerj.com/articles/18933.pdfAmmospermophilus harrisiiPhilopatryKin selectionddRADseqAntipredatorBehavior
spellingShingle Alexandra Burnett
Michelle Hein
Natalie Payne
Karla L. Vargas
Melanie Culver
John L. Koprowski
Female philopatry may influence antipredatory behavior in a solitary mammal
PeerJ
Ammospermophilus harrisii
Philopatry
Kin selection
ddRADseq
Antipredator
Behavior
title Female philopatry may influence antipredatory behavior in a solitary mammal
title_full Female philopatry may influence antipredatory behavior in a solitary mammal
title_fullStr Female philopatry may influence antipredatory behavior in a solitary mammal
title_full_unstemmed Female philopatry may influence antipredatory behavior in a solitary mammal
title_short Female philopatry may influence antipredatory behavior in a solitary mammal
title_sort female philopatry may influence antipredatory behavior in a solitary mammal
topic Ammospermophilus harrisii
Philopatry
Kin selection
ddRADseq
Antipredator
Behavior
url https://peerj.com/articles/18933.pdf
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