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2013 ; 8
(ä): 1-12
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Social cognition in ravens
#MMPMID25893030
Bugnyar T
Comp Cogn Behav Rev
2013[]; 8
(ä): 1-12
PMID25893030
show ga
Complex social life has been proposed as one of the main driving forces for the
evolution of higher cognitive abilities in humans and non-human animals. Until
recently, this theory has been tested mainly on mammals/primates, whereas little
attention has been paid to birds. Indeed, birds provide a challenge to the
theory, on one hand because they show high flexibility in group formation and
composition, on the other hand because monogamous breeding pairs are the main
unit of social structure in many species. Here I illustrate that non-breeding
ravens Corvus corax engage in sophisticated social interactions during foraging
and conflict management. While Machiavellian-type skills are found in competition
for hidden food, the formation and use of valuable relationships (social bonds)
seem to be key in dealing with others in daily life. I thus argue that ravens
represent a promising case for testing the idea that sophisticated social
cognition may evolve in systems with a given degree of social complexity,
independently of phylogeny.