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Articles 1 - 3 of 3
Full-Text Articles in Entire DC Network
Ecological Consequences Of A Millennium Of Introduced Dogs On Madagascar, Sean W. Hixon, Kristina G. Douglass, Laurie R. Godfrey, Laurie Eccles, Brooke E. Crowley, Lucien Marie Aimé Rakotozafy, Geoffrey Clark, Simon Haberle, Atholl Anderson, Henry T. Wright
Ecological Consequences Of A Millennium Of Introduced Dogs On Madagascar, Sean W. Hixon, Kristina G. Douglass, Laurie R. Godfrey, Laurie Eccles, Brooke E. Crowley, Lucien Marie Aimé Rakotozafy, Geoffrey Clark, Simon Haberle, Atholl Anderson, Henry T. Wright
Anthropology Department Faculty Publication Series
Introduced predators currently threaten endemic animals on Madagascar through predation, facilitation of human-led hunts, competition, and disease transmission, but the antiquity and past consequences of these introductions are poorly known. We use directly radiocarbon dated bones of introduced dogs (Canis familiaris) to test whether dogs could have aided human-led hunts of the island's extinct megafauna. We compare carbon and nitrogen isotope data from the bone collagen of dogs and endemic fosa (Cryptoprocta spp.) in central and southwestern Madagascar to test for competition between introduced and endemic predators. The distinct isotopic niches of dogs and fosa suggest that any past antagonistic …
When Does Fertility End? The Timing Of Tubal Ligations And Hysterectomies, And The Meaning Of Menopause, Lynnette Leidy Sievert, Laura Huicochea-Gómez, Diana Cahuich-Campos, Lynn Morrison, Daniel E. Brown
When Does Fertility End? The Timing Of Tubal Ligations And Hysterectomies, And The Meaning Of Menopause, Lynnette Leidy Sievert, Laura Huicochea-Gómez, Diana Cahuich-Campos, Lynn Morrison, Daniel E. Brown
Anthropology Department Faculty Publication Series
We applied a biocultural lens to examine the temporal order of biological, behavioral, and medical events related to fertility across the female reproductive lifespan in three sites, two in Mexico and one in the United States. Using a mixed-method design, we expanded our thinking about the end of fertility in order to examine the timing of hysterectomies and tubal ligations. We discovered that menopause is not the end of fertility for a surprisingly high number of women. Across the three sites, between 43% and 50% of women underwent tubal ligations at mean ages of 32 years (in Campeche, Mexico) and …
Dominance Style Is A Key Predictor Of Vocal Use And Evolution Across Nonhuman Primates, Anna H. Weyher, Eithne Kavanagh, Sally E. Street, Felix O. Angwela, Thore J. Bergman, Maryjka B. Blaszczyk, Laura M. Bolt, Margarita Briseño-Jaramillo, Michelle Brown, Chloe Chen-Kraus
Dominance Style Is A Key Predictor Of Vocal Use And Evolution Across Nonhuman Primates, Anna H. Weyher, Eithne Kavanagh, Sally E. Street, Felix O. Angwela, Thore J. Bergman, Maryjka B. Blaszczyk, Laura M. Bolt, Margarita Briseño-Jaramillo, Michelle Brown, Chloe Chen-Kraus
Anthropology Department Faculty Publication Series
Animal communication has long been thought to be subject to pressures and constraints associated with social relationships. However, our understanding of how the nature and quality of social relationships relates to the use and evolution of communication is limited by a lack of directly comparable methods across multiple levels of analysis. Here, we analysed observational data from 111 wild groups belonging to 26 non-human primate species, to test how vocal communication relates to dominance style (the strictness with which a dominance hierarchy is enforced, ranging from 'despotic' to 'tolerant'). At the individual-level, we found that dominant individuals who were more …