The Weekly Newsmagazine of Science
Volume 156, Number 3 (July 17, 1999)References & Sources
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Do monkeys check each others' blues?
Male vervet monkeys may use the shade of blue on another male's scrotum as a clue to status.
From Science News, Vol. 156, No. 3, July 17, 1999, p. 47. Copyright © 1999, Science Service.
Copyright © 1999 Science Service