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Agonistic Behavior by Three-toed Sloths, Bradypus variegatus

Harry W. Greene
Biotropica
Vol. 21, No. 4 (Dec., 1989), pp. 369-372
DOI: 10.2307/2388289
Stable URL: http://www.jstor.org/stable/2388289
Page Count: 4
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Agonistic Behavior by Three-toed Sloths, Bradypus variegatus
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Abstract

A three-toed sloth (Bradypus variegatus) rapidly ascended a cecropia tree, fought briefly and intensely with another adult male, and descended even more rapidly Fighting was accompanied by short, strident vocalizations. The aggressor perhaps detected the occupant from a distance using the sexually dimorphic dorsal markings. The social system, visual abilities, and activity budgets of sloths are probably more complex than previously thought.

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