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Animal group sizes may exert important effects on various cognitive mechanisms. Group size is believed to exert pressures on fundamental brain structures that correlate with the increased social demands placed on animals living in relatively large, complex and dynamic social organizations. There is ...

Croney, C. C.; Newberry, R. C.
Elsevier, Amsterdam, Netherlands
Applied Animal Behaviour Science, 2007, 103, 3/4, pp 215-228