期刊
BEHAVIOURAL PROCESSES
卷 99, 期 -, 页码 42-46出版社
ELSEVIER
DOI: 10.1016/j.beproc.2013.06.005
关键词
Hystrix cristata; Crested porcupine; Sexual dimorphism; Food resources; Denning site
资金
- Provincial Council of Siena
- Provincial Council of Grosseto
In monogamous species, after pair formation, the main reason for ranging movements is not searching for a mate, but for other important resources e.g. food. We monitored a total of 20 radio-tagged adult, paired crested porcupines in four areas of different habitat richness. No sexual size dimorphism was assessed. Body mass and habitat richness showed collinearity. For both sexes, home range size was correlated to habitat richness, with a significant inverse exponential regression. Opposite to natural foragers, living in poor habitats, crop foragers had smaller home ranges, with their dens significantly closer to cultivations. Both availability of food resources and den sites are key variables to determine home range size. (C) 2013 Elsevier B.V. All rights reserved.
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