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Anti-predator behaviour of kudu and impala in response to mimicked African wild dog presence: do age and sex matter?
in BehaviourbUniversité de Lyon, CNRS Université Claude Bernard Lyon 1 UMR 5558, Laboratoire Biométrie et Biologie Evolutive, BÄt Gregor Mendel, Villeurbanne Cedex, France
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cCNRS HERD program, Hwange National Park, P.O. Box 62, Dete, Zimbabwe
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dUniversité dâAngersâUFR Sciences, Groupe Ecologie et Biologie de la Conservation Campus de Belle-Beille, 2 Bd Lavoisier, F-49045 Angers, France
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Predators not only prey upon certain prey species, but also on certain ageâsex classes within species. Predation risk and an individualâs response to this risk might therefore vary with an individualâs characteristics. We examined the proportion of time different ageâsex classes of kudu (Tragelaphus strepsiceros) and impala (Aepyceros melampus) spent high quality vigilant (costly vigilance that detracts from all other activities) in response to mimicked predation risk by African wild dogs (Lycaon pictus). For both species predation risk was the main factor determining the investment in high quality vigilance behaviour. Ageâsex class-specific responses were not related to ageâsex class specific lethality risk presented by African wild dogs. For impala, regardless of predation risk, age seemed to have some effect on the investment in high quality vigilance with sub-adult impala spending more time high quality vigilant than adult impala, which is possibly why African wild dogs predominantly preyed upon adult impala.
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| Insgesamt | Letzte 365 Tage | In den letzten 30 Tagen | |
|---|---|---|---|
| Aufrufe von Kurzbeschreibungen | 1206 | 163 | 21 |
| Gesamttextansichten | 312 | 5 | 2 |
| PDF-Downloads | 168 | 10 | 4 |
Anti-predator behaviour of kudu and impala in response to mimicked African wild dog presence: do age and sex matter?
in BehaviourbUniversité de Lyon, CNRS Université Claude Bernard Lyon 1 UMR 5558, Laboratoire Biométrie et Biologie Evolutive, BÄt Gregor Mendel, Villeurbanne Cedex, France
Search for other papers by Esther van der Meer in
Current site
Google Scholar
PubMed
cCNRS HERD program, Hwange National Park, P.O. Box 62, Dete, Zimbabwe
Search for other papers by Hervé Fritz in
Current site
Google Scholar
PubMed
dUniversité dâAngersâUFR Sciences, Groupe Ecologie et Biologie de la Conservation Campus de Belle-Beille, 2 Bd Lavoisier, F-49045 Angers, France
Search for other papers by Olivier Pays in
Current site
Google Scholar
PubMed
Predators not only prey upon certain prey species, but also on certain ageâsex classes within species. Predation risk and an individualâs response to this risk might therefore vary with an individualâs characteristics. We examined the proportion of time different ageâsex classes of kudu (Tragelaphus strepsiceros) and impala (Aepyceros melampus) spent high quality vigilant (costly vigilance that detracts from all other activities) in response to mimicked predation risk by African wild dogs (Lycaon pictus). For both species predation risk was the main factor determining the investment in high quality vigilance behaviour. Ageâsex class-specific responses were not related to ageâsex class specific lethality risk presented by African wild dogs. For impala, regardless of predation risk, age seemed to have some effect on the investment in high quality vigilance with sub-adult impala spending more time high quality vigilant than adult impala, which is possibly why African wild dogs predominantly preyed upon adult impala.
| Insgesamt | Letzte 365 Tage | In den letzten 30 Tagen | |
|---|---|---|---|
| Aufrufe von Kurzbeschreibungen | 1206 | 163 | 21 |
| Gesamttextansichten | 312 | 5 | 2 |
| PDF-Downloads | 168 | 10 | 4 |
