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mánudagur, mars 10, 2008

Félagslyndar hýenur


Ágæt grein um samfélagsstrúktúr hýena, það virðist meira í þessi kvikindu spunnið en maður hefur gert sér grein fyrir.
Most of the research on the social brain hypothesis has focused on primates. One reason for that bias, Dr. Holekamp said, is many scientists thought that no other animals were worth studying. “Primatologists have argued for years,” she said, “that primates are unique in terms of the complexity of their social lives.”

From her experience with hyenas, Dr. Holekamp had her doubts. So she began to run experiments on spotted hyenas similar to the ones run on primates. She would play recordings of hyenas, for example, to see if other hyenas recognized them individually. They did. She soon came to see the primates-only view of the social brain as deeply flawed.

“I would argue that’s not true at all: spotted hyenas live in a society just as large and just as complex as a baboon,” Dr. Holekamp said, noting that spotted hyenas live in the largest social groups of any carnivore. “We’re talking about 60 to 80 individuals who all know each other individually.”

via 3quarksdaily

posted by Björn Darri at 3:59 e.h.

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