Subterranean Life-Style Does Not Limit Long Distance Dispersal in African Mole-Rats

Dispersal from the natal site to breeding sites is a crucial phase in the life history of animals and can have profound effects on the reproductive ecology and the structure of animal societies. However, few studies have assessed dispersal dynamics in subterranean mammals and it is unknown whether d...

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Main Authors: Kyle T. Finn, Jack Thorley, Hanna M. Bensch, Markus Zöttl
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-06-01
Series:Frontiers in Ecology and Evolution
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fevo.2022.879014/full
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author Kyle T. Finn
Jack Thorley
Jack Thorley
Hanna M. Bensch
Markus Zöttl
author_facet Kyle T. Finn
Jack Thorley
Jack Thorley
Hanna M. Bensch
Markus Zöttl
author_sort Kyle T. Finn
collection DOAJ
description Dispersal from the natal site to breeding sites is a crucial phase in the life history of animals and can have profound effects on the reproductive ecology and the structure of animal societies. However, few studies have assessed dispersal dynamics in subterranean mammals and it is unknown whether dispersal distances are constrained by living underground. Here we show, in social, subterranean Damaraland mole-rats (Fukomys damarensis), that a subterranean lifestyle does not preclude long distance dispersal and that both sexes are capable of successfully dispersing long distances (>4 km). Body condition did not predict dispersal distance, but dispersers from larger groups traveled farther than individuals from smaller groups. Subsequently we show in a phylogenetically controlled comparative analysis of dispersal distances in subterranean and surface-dwelling rodents that living underground does not constrain dispersal distances and that dispersal capacity is mainly a consequence of body size in both lifestyles.
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spelling doaj.art-4e556469e75345359b60d4e8b432113e2022-12-22T02:28:57ZengFrontiers Media S.A.Frontiers in Ecology and Evolution2296-701X2022-06-011010.3389/fevo.2022.879014879014Subterranean Life-Style Does Not Limit Long Distance Dispersal in African Mole-RatsKyle T. Finn0Jack Thorley1Jack Thorley2Hanna M. Bensch3Markus Zöttl4Department of Zoology and Entomology, Mammal Research Institute, University of Pretoria, Pretoria, South AfricaDepartment of Zoology, University of Cambridge, Cambridge, United KingdomDepartment of Earth, Ocean and Ecological Sciences, University of Liverpool, Liverpool, United KingdomDepartment of Biology and Environmental Science, Linnaeus University, Kalmar, SwedenDepartment of Biology and Environmental Science, Linnaeus University, Kalmar, SwedenDispersal from the natal site to breeding sites is a crucial phase in the life history of animals and can have profound effects on the reproductive ecology and the structure of animal societies. However, few studies have assessed dispersal dynamics in subterranean mammals and it is unknown whether dispersal distances are constrained by living underground. Here we show, in social, subterranean Damaraland mole-rats (Fukomys damarensis), that a subterranean lifestyle does not preclude long distance dispersal and that both sexes are capable of successfully dispersing long distances (>4 km). Body condition did not predict dispersal distance, but dispersers from larger groups traveled farther than individuals from smaller groups. Subsequently we show in a phylogenetically controlled comparative analysis of dispersal distances in subterranean and surface-dwelling rodents that living underground does not constrain dispersal distances and that dispersal capacity is mainly a consequence of body size in both lifestyles.https://www.frontiersin.org/articles/10.3389/fevo.2022.879014/fullnatal dispersalecological constraintssubterraneanfossorialrodentsDamaraland mole-rat
spellingShingle Kyle T. Finn
Jack Thorley
Jack Thorley
Hanna M. Bensch
Markus Zöttl
Subterranean Life-Style Does Not Limit Long Distance Dispersal in African Mole-Rats
Frontiers in Ecology and Evolution
natal dispersal
ecological constraints
subterranean
fossorial
rodents
Damaraland mole-rat
title Subterranean Life-Style Does Not Limit Long Distance Dispersal in African Mole-Rats
title_full Subterranean Life-Style Does Not Limit Long Distance Dispersal in African Mole-Rats
title_fullStr Subterranean Life-Style Does Not Limit Long Distance Dispersal in African Mole-Rats
title_full_unstemmed Subterranean Life-Style Does Not Limit Long Distance Dispersal in African Mole-Rats
title_short Subterranean Life-Style Does Not Limit Long Distance Dispersal in African Mole-Rats
title_sort subterranean life style does not limit long distance dispersal in african mole rats
topic natal dispersal
ecological constraints
subterranean
fossorial
rodents
Damaraland mole-rat
url https://www.frontiersin.org/articles/10.3389/fevo.2022.879014/full
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