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Latest Dominance hierarchy Stories

Sexuality Bonobo Female Dominance
2013-07-16 08:36:25

April Flowers for redOrbit.com - Your Universe Online Among mammalian species, female social dominance is rare. However, one of our closest living relatives, bonobos, are known for the relatively high statuses females hold in social groups. This puzzles researchers as the males are often bigger and stronger than the females. A new study from the Max Planck Institute for Evolutionary Anthropology has analyzed the dominance relations between male and female wild bonobos, taking particular...

Adolescent Male Chimps Strive To Be Alphas In Large Community
2012-09-20 11:07:06

An Ohio University anthropologist reports the first observation of dominance relationships among adolescent male chimpanzees, which he attributes to the composition of their community. Hogan Sherrow spent eight years studying the Ngogo community of chimpanzees in Kibale National Park in western Uganda. Ngogo is the biggest chimpanzee community on record, with more than 150 members and about twice as many males as found in other chimp communities across Africa. Unlike their adult male...

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2011-06-14 07:47:13

Sex difference in the brain varies according to social status The brains of all vertebrates display gender-related differences. In songbirds, for example, the size of the brain areas that control their singing behavior could be linked to the size of their song repertoires. In many songbird species, only the males sing and indeed, they do have larger song control areas in the brain than females. However, even species where both sexes sing identically, display the same sex differences in their...

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2010-09-01 11:20:18

High social status and maternal support play an important role in the mating success of male bonobos Success makes sexy - this does not only apply to human beings, but also to various animals. Male bonobos appear to benefit from this phenomenon as well. A team of researchers led by Gottfried Hohmann of the Max Planck Institute for Evolutionary Anthropology has discovered that the higher up a male bonobo is placed in the social hierarchy, the greater his mating success is with female bonobos....


Word of the Day
cacodemon
  • An evil spirit; a devil.
  • A nightmare.
  • In astrology, the twelfth house of a scheme or figure of the heavens: so called from its signifying dreadful things, such as secret enemies, great losses, imprisonment, etc.
'Cacodemon' comes from a Greek term meaning 'evil genius.'
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