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Evolution of Animal Personalities

Science Daily, May 30, 2007

Animals differ strikingly in character and temperament. Yet only recently has it become evident that personalities are a widespread phenomenon in the animal kingdom. Animals as diverse as spiders, mice and squids appear to have personalities. Personality differences have been described in more than 60 species, including primates, rodents, birds, fish, insects and mollusks.

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The researchers intend to continue their collaborative work on the evolution of animal personalities. Currently, at the Santa Fe Institute, Max Wolf and Sander van Doorn are developing alternative ideas on structuring properties of personalities.

These findings are detailed in "Life-history trade-offs favour the evolution of animal personalities" in the May 31 issue of Nature.

more at: http://www.sciencedaily.com/releases/2007/05/070530132400.htm

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