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Posts Tagged ‘chimps’

Humans related to orangutans, not chimps

orangutanNew evidence underscores the theory of human origin that suggests humans most likely share a common ancestor with orangutans, according to research from the University of Pittsburgh and the Buffalo Museum of Science. Reporting in the June 18 edition of the Journal of Biogeography, the researchers reject as “problematic” the popular suggestion, based on DNA analysis, that humans are most closely related to chimpanzees, which they maintain is not supported by fossil evidence. Full Story : Eurekalert.org….

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Secret Sex Lives of Female Chimps

chimpsFemale chimpanzees desire to have sex with as many males as possible. They keep their mouths shut about it, to increases their chances of luring the top chimps. Scientists at the University of St Andrews explored what the copulation calls of female chimpanzees mean. They have concluded that female chimps sometimes keep quiet during sex to prevent other females from intruding, so other female rivals don’t know what they’ve been up to.

Female Chimps produce more copulation calls when high-ranking males were around to attract them. By having sex with more males causes confusion among the male chimpanzees as to which one sired the offspring. Therefore, the males are less likely to kill any babies that might be theirs.

Photo Source: http://zebraandwildebeest.com

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