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Sylvia J Amsler

Biographic Data

ID6218194
NAMESylvia J Amsler
GIVEN NAMESSylvia J
FAMILY NAMEAmsler
SIGNATUREAMSLER S J
AFFILIATIONSUniversity of Michigan
VERIFIEDNo
TOTAL WORKS5
TOTAL CITATIONS7
WORKS AS AUTHOR5
WORKS AS EDITOR0
FIRST PUBLICATION YEAR2006
LATEST PUBLICATION YEAR2013
H-INDEX1
  • Chimpanzee‐red colobus encounter rates show a red colobus population decline associated with predation by chimpanzees at Ngogo

    Open Access•David P Watts, Sylvia J Amsler•ARTICLE•American Journal of Primatology•2013

    Chimpanzees (Pan troglodytes) hunt various primates, but concentrate on red colobus monkeys (Piliocolobus spp.) wherever the two species are sympatric. The extraordinarily large Ngogo chimpanzee community in Kibale National Park, Uganda, preys heavily on the local population of red colobus (P. tephrosceles). Census data showed a steep decline in this population in the center of the chimpanzees' home range between 1975 and 2007 [Lwanga et al., 201…

  • Lethal intergroup aggression leads to territorial expansion in wild chimpanzees

    Open Access•J C Mitani, David P Watts et al.•ARTICLE•Current Biology•2010

  • Energetic costs of territorial boundary patrols by wild chimpanzees

    Open Access•Sylvia J Amsler•ARTICLE•American Journal of Primatology•2010

    Chimpanzees are well known for their territorial behavior. Males who belong to the same community routinely patrol their territories, occasionally making deep incursions into those of their neighbors. Male chimpanzees may obtain several fitness benefits by participating in territorial boundary patrols, but patrolling is also likely to involve fitness costs. Patrollers risk injury or even death, and patrols may be energetically costly and may invo…

  • New Intercommunity Infanticides by the Chimpanzees of Ngogo, Kibale National Park, Uganda

    Open Access•Hogan M Sherrow, Sylvia J Amsler•ARTICLE•International Journal of…•2007•Cited by: 7•References: 18

  • Lethal intergroup aggression by chimpanzees in Kibale National Park, Uganda

    Open Access•David P Watts, Martin N Muller et al.•ARTICLE•American Journal of Primatology•2006

    Chimpanzees ( Pan troglodytes ) have hostile intergroup relations throughout most or all of their geographic range. Hostilities include aggressive encounters between members of neighboring communities during foraging and during patrols in which members of one community search for neighbors near territory boundaries. Attacks on neighbors involve coalitions of adult males, and are sometimes fatal. Targets include members of all age/sex classes, but…

  • New Intercommunity Infanticides by the Chimpanzees of Ngogo, Kibale National Park, Uganda

    Open Access•Hogan M Sherrow, Sylvia J Amsler•ARTICLE•International Journal of…•2007•Cited by: 7•References: 18

  • Lethal intergroup aggression by chimpanzees in Kibale National Park, Uganda

    Open Access•David P Watts, Martin N Muller et al.•ARTICLE•American Journal of Primatology•2006

    Chimpanzees ( Pan troglodytes ) have hostile intergroup relations throughout most or all of their geographic range. Hostilities include aggressive encounters between members of neighboring communities during foraging and during patrols in which members of one community search for neighbors near territory boundaries. Attacks on neighbors involve coalitions of adult males, and are sometimes fatal. Targets include members of all age/sex classes, but…

  • New Intercommunity Infanticides by the Chimpanzees of Ngogo, Kibale National Park, Uganda

    Open Access•Hogan M Sherrow, Sylvia J Amsler•ARTICLE•International Journal of…•2007•Cited by: 7•References: 18

  • Lethal intergroup aggression leads to territorial expansion in wild chimpanzees

    Open Access•J C Mitani, David P Watts et al.•ARTICLE•Current Biology•2010

  • Energetic costs of territorial boundary patrols by wild chimpanzees

    Open Access•Sylvia J Amsler•ARTICLE•American Journal of Primatology•2010

    Chimpanzees are well known for their territorial behavior. Males who belong to the same community routinely patrol their territories, occasionally making deep incursions into those of their neighbors. Male chimpanzees may obtain several fitness benefits by participating in territorial boundary patrols, but patrolling is also likely to involve fitness costs. Patrollers risk injury or even death, and patrols may be energetically costly and may invo…

  • Chimpanzee‐red colobus encounter rates show a red colobus population decline associated with predation by chimpanzees at Ngogo

    Open Access•David P Watts, Sylvia J Amsler•ARTICLE•American Journal of Primatology•2013

    Chimpanzees (Pan troglodytes) hunt various primates, but concentrate on red colobus monkeys (Piliocolobus spp.) wherever the two species are sympatric. The extraordinarily large Ngogo chimpanzee community in Kibale National Park, Uganda, preys heavily on the local population of red colobus (P. tephrosceles). Census data showed a steep decline in this population in the center of the chimpanzees' home range between 1975 and 2007 [Lwanga et al., 201…

Animal Vocal Communication and Behavior (5 works) · Biology (5 works) · Demography (5 works) · National park (5 works) · Primate Behavior and Ecology (5 works) · Ecology (4 works) · Sociology (4 works) · Aggression (3 works) · Animal Behavior and Reproduction (3 works) · Geography (3 works)

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