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Institut de recherche pour la conservation des zones humides méditerranéennes

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Titre :	Dry-season use of space, habitats and shelters by the short-eared rock-wallaby (Petrogale brachyotis) in the monsoon tropics
Auteurs :	Wendy R. Telfer, Auteur ; Anthony D. Griffiths, Auteur
Type de document :	Article
Dans :	Wildlife Research (33(3) 2006)
Article en page(s) :	207-214
Langues:	Anglais
Résumé :	It is widely recognised that the use of fixed diurnal shelters by rock-wallabies greatly affects their ecology. However, the details of how shelters and Surrounding habitats are used, and how similar these characteristics are across rock-wallaby species, remain scarcely understood. The dry season home range, and use of habitats and den sites, of the short-eared rock wallaby (Petrogale brachyotis) were examined at Litchfield National Park, Northern Territory, Australia. We radio-tracked 10 individuals on foot to locate diurnal shelters, and with fixed towers to determine their nocturnal positions. P brachyotis used a range of rock piles and outcrops for dens, and showed a strong preference for rocky habitats and adjacent woodland. On average, animals used four dens within outcrops, as well as more exposed resting sites. Individual rock-wallabies sometimes shared dens, but there appeared to be male-male intolerance Of Simultaneous use of dens. Mean home range in the dry season was 18.3 ha, and there was no significant difference in home-range area between sexes. Use of space by P brachyotis was very similar to that reported for another tropical rock-wallaby species, P assimilis, and many behavioural traits were also similar to those found in other species of Petrogale.

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