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Original Articles

Infanticide in the hippopotamus: evidence for polygynous ungulates

Pages 277-286 | Received 01 Dec 1997, Accepted 19 Mar 1998, Published online: 19 May 2010
 

Abstract

Infanticide has been reported in a wide range of taxa. Although recent work suggests that infanticide may be present in managed populations of ungulate species, it has not been documented in wild ungulates. Here, I present qualitative evidence of infanticide in a wild ungulate, the hippopotamus (Hippopotamus amphibius) and suggest that infanticide in the hippopotamus may be a strategy by which males increase reproductive success. I present a conceptual model in which infanticide by males occurs within approximately 50 days post parturition and acts as a means to shorten the interbirth interval, particularly when water resources are scarce, and territory takeovers or changes in dominance hierarchy are likely.

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