ArticleScientific reports2017
Extra-territorial movements differ between territory holders and subordinates in a large, monogamous rodent.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Hidden space use behaviors of a nonbreeding migratory bird: the role of environment and social context.Movement ecology · 2024Article
- Pre-migratory flights in migrant songbirds: the ecological and evolutionary importance of understudied exploratory movements.Movement ecology · 2023Review
- Active breeding seabirds prospect alternative breeding colonies.Oecologia · 2023Article
- Prospecting and informed dispersal: Understanding and predicting their joint eco-evolutionary dynamics.Ecology and evolution · 2021Article
- Study of compositions of musks in different types secreted by forest musk deer (Moschus berezovskii).PloS one · 2021Article
- Landscape structure and population density affect intraspecific aggression in beavers.Ecology and evolution · 2020Article
- Long-term capture and handling effects on body condition, reproduction and survival in a semi-aquatic mammal.Scientific reports · 2020Article
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3 authors.
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Abstract
Territorial animals carry out extra-territorial movements (forays) to obtain pre-dispersal information or to increase reproductive success via extra-pair copulation. However, little is known about other purposes and spatial movement patterns of forays. In this study, we GPS-tagged 54 Eurasian beavers (Castor fiber), a year-round territorial, monogamous mammal, during the non-mating season. We investigated forays in territory-holding breeders (dominants) and non-breeding (subordinate) family members. Twenty of 46 dominant individuals (44%), and 6 of 10 subordinates (60%) conducted forays. Generally, beavers spent between 0 and 11% of their active time on forays, travelled faster and spend more time in water when on forays compared to intra-territorial movements, suggesting that forays are energetically costly. Further, beavers in smaller territories conducted more forays. Possibly, smaller territories might not have sufficient resources and thus dominant individuals might conduct forays to assess possibilities for territory expansion, and potentially for foraging. Generally, besides territory advertisement (e.g. via scent-marking), forays might serve as an additional mechanism for territory owners to assess neighbours. Subordinates spent more time on forays, moved greater distances and intruded into more territories than dominant individuals did, suggesting that they prospected to gain information on the population density and available mates before dispersal.
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