Journal
INTERNATIONAL JOURNAL OF PRIMATOLOGY
Volume 21, Issue 1, Pages 21-40Publisher
SPRINGER
DOI: 10.1023/A:1005467411880
Keywords
infanticide; seasonal breeding; female aggression; immigrant males
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Infant killing by primates is highly controversial. Sexual selection of infanticidal males has been disputed especially for seasonally breeding species, in which death of an infant does not advance conception of the next infant. We report attacks, infants found wounded: and predation in seasonally breeding Eulemur and Lemur at Berenty: Beta Mahafaly and Duke University Primate Center, and review cases seen elsewhere. Observed attacks leading to wounds or death conservatively total twelve by extratroop males, two by troop males, and seven by troop females. Eulemur ave occasional vertebrate predators, whose prey includes infant Lemur catta. Wounds inflicted by lemurs are usually abdominal canine slashes or bites to the head with rare eating, a pattern distinct front carnivore and raptor kills. Infant killing as inferred front corpses is more frequent than previously thought, but still rare. Adaptive advantages of killing plausibly include eliminating resource competitors of females, and sexual selection on males.
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