Data from: Natal vs breeding dispersal: behavioural tactics in first-time breeder roe deer females during mating

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Hauptverfasser: Culioli, Agathe, Lemaitre, Jean-François, Morellet, Nicolas, Gaillard, Jean-Michel, Pellerin, Maryline, Bonnet, Arnaud, Chaval, Yannick, Hewison, Aidan Jonathan Mark
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Sprache:Englisch
Veröffentlicht: Zenodo 2026
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author Culioli, Agathe
Lemaitre, Jean-François
Morellet, Nicolas
Gaillard, Jean-Michel
Pellerin, Maryline
Bonnet, Arnaud
Chaval, Yannick
Hewison, Aidan Jonathan Mark
author_facet Culioli, Agathe
Lemaitre, Jean-François
Morellet, Nicolas
Gaillard, Jean-Michel
Pellerin, Maryline
Bonnet, Arnaud
Chaval, Yannick
Hewison, Aidan Jonathan Mark
contents <p><span lang="EN-GB">By spatially segregating opposite-sex related individuals, natal dispersal is a widespread inbreeding avoidance mechanism. However, little is known about the alternative behavioural tactics that philopatric individuals employ to avoid inbreeding. When natal dispersal is partial and not sex-biased, f</span><span lang="EN-GB">emales may perform reproductive excursions outside of their usual range</span><span lang="EN-GB">. As a form of breeding dispersal, this could represent an alternative tactic to reduce the likelihood of mating with close relatives. To investigate </span><span lang="EN-GB">this interplay at the individual level</span><span lang="EN-GB">, we analysed the spatial behaviour of 90 first-time breeder roe deer (<em>Capreolus capreolus</em>) females. From intensive GPS monitoring, we classified individuals as either philopatric or disperser, and then identified excursions during their subsequent first mating season. </span><span lang="EN-GB">While </span><span lang="EN-GB">philopatric </span><span lang="EN-GB">primiparous </span><span lang="EN-GB">females were, on average, somewhat more likely (ca. 30%) to perform an excursion </span><span lang="EN-GB">during the rut </span><span lang="EN-GB">than dispersers, this </span><span lang="EN-GB">difference was not significant.</span><span lang="EN-GB"> </span><span lang="EN-GB">However, philopatric females performed excursions that were 52% farther, on average, than females that dispersed. </span><span lang="EN-GB">Because philopatric females likely live in close proximity to related males, their father in particular, our results indicate that reproductive excursions could mitigate the risk of incestuous matings.</span><span lang="EN-GB"> This constitutes a first demonstration of interplay between natal dispersal and a specific form of breeding dispersal in a mammal.</span></p>
format Recurso digital
id zenodo_https___doi_org_10_5281_zenodo_18160931
institution Zenodo
language eng
publishDate 2026
publisher Zenodo
record_format zenodo
spellingShingle Data from: Natal vs breeding dispersal: behavioural tactics in first-time breeder roe deer females during mating
Culioli, Agathe
Lemaitre, Jean-François
Morellet, Nicolas
Gaillard, Jean-Michel
Pellerin, Maryline
Bonnet, Arnaud
Chaval, Yannick
Hewison, Aidan Jonathan Mark
GPS telemetry
inbreeding avoidance
mate choice
mating tactic
reproductive excursion
ungulate
<p><span lang="EN-GB">By spatially segregating opposite-sex related individuals, natal dispersal is a widespread inbreeding avoidance mechanism. However, little is known about the alternative behavioural tactics that philopatric individuals employ to avoid inbreeding. When natal dispersal is partial and not sex-biased, f</span><span lang="EN-GB">emales may perform reproductive excursions outside of their usual range</span><span lang="EN-GB">. As a form of breeding dispersal, this could represent an alternative tactic to reduce the likelihood of mating with close relatives. To investigate </span><span lang="EN-GB">this interplay at the individual level</span><span lang="EN-GB">, we analysed the spatial behaviour of 90 first-time breeder roe deer (<em>Capreolus capreolus</em>) females. From intensive GPS monitoring, we classified individuals as either philopatric or disperser, and then identified excursions during their subsequent first mating season. </span><span lang="EN-GB">While </span><span lang="EN-GB">philopatric </span><span lang="EN-GB">primiparous </span><span lang="EN-GB">females were, on average, somewhat more likely (ca. 30%) to perform an excursion </span><span lang="EN-GB">during the rut </span><span lang="EN-GB">than dispersers, this </span><span lang="EN-GB">difference was not significant.</span><span lang="EN-GB"> </span><span lang="EN-GB">However, philopatric females performed excursions that were 52% farther, on average, than females that dispersed. </span><span lang="EN-GB">Because philopatric females likely live in close proximity to related males, their father in particular, our results indicate that reproductive excursions could mitigate the risk of incestuous matings.</span><span lang="EN-GB"> This constitutes a first demonstration of interplay between natal dispersal and a specific form of breeding dispersal in a mammal.</span></p>
title Data from: Natal vs breeding dispersal: behavioural tactics in first-time breeder roe deer females during mating
topic GPS telemetry
inbreeding avoidance
mate choice
mating tactic
reproductive excursion
ungulate
url https://doi.org/10.5281/zenodo.18160931