Journal Article

Home Range and Spatial Organization of Maned Wolves in the Brazilian Grasslands

Anah Tereza de Almeida Jácomo, Cyntia Kayo Kashivakura, Claudia Ferro, Mariana Malzoni Furtado, Samuel Perez Astete, Natália Mundim Tôrres, Rahel Sollmann and Leandro Silveira

in Journal of Mammalogy

Published on behalf of American Society of Mammalogists

Volume 90, issue 1, pages 150-157
Published in print February 2009 | ISSN: 0022-2372
Published online February 2009 | e-ISSN: 1545-1542 | DOI: http://dx.doi.org/10.1644/07-MAMM-A-380.1
Home Range and Spatial Organization of Maned Wolves in the Brazilian Grasslands

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  • Zoology and Animal Sciences
  • Animal Behaviour and Behavioural Ecology
  • Animal Ecology
  • Animal Physiology
  • Mammalogy

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The maned wolf (Chrysocyon brachyurus) is the largest canid in South America, weighing up to 30 kg, and exhibits an omnivorous diet based on fruits and small vertebrates. Maned wolves are considered to live in monogamous pairs defending a common territory, with mates living a largely solitary life, but these conclusions come from few studies with small samples. We captured maned wolves in Emas National Park, central Brazil, and monitored their use of space using radiotelemetry. Home-range size and overlap of 45 adults, and interactions between members of 5 pairs, were investigated. Home-range sizes of resident adults averaged 80.18 km2 using the fixed kernel with 95% of the locations, and averaged 13.78 km2 with 50% of the locations. Overlap of 95% ranges between male–male, female–female, or mixed dyads was similar, approximately 0.20, whereas 50% ranges of maned wolves showed less overlap overall but more tolerance for overlap with the opposite sex. Members of a pair were located alone more often than together, and even when located simultaneously maintained a mean distance of >0.5 km apart, independent of time of day. Results are in agreement with a spatial organization based on monogamous mating pairs with little intrapair sociality, but the latter needs to be investigated in more detail.

Keywords: Cerrado; Chrysocyon brachyurus; home range; maned wolf; spatial organization

Journal Article.  5874 words.  Illustrated.

Subjects: Zoology and Animal Sciences ; Animal Behaviour and Behavioural Ecology ; Animal Ecology ; Animal Physiology ; Mammalogy

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