The Value of Social Relationships During Aging in Female Rhesus Macaques

Rhesus monkeys have an intricate social structure. There is a dominance hierarchy, meaning that not all individuals enjoy the same rank in the group. This also effects the value that individuals gain from each of their relationships. Obviously, having powerful allies is of great value. And to maintain a powerful position requires allies. These are all … More The Value of Social Relationships During Aging in Female Rhesus Macaques

From Woodpeckers to Apes: Competition Drives the Correlation between Brain Size and Group Size

A new study of woodpeckers adds nuance to the relationship between brain power and social interactions. … More From Woodpeckers to Apes: Competition Drives the Correlation between Brain Size and Group Size

The Birth of a Cultural Meme: The “Do Not Disturb” Gesture in Mandrills

(A longer discussion of animal communication can be found in my book.) Mandrills are, literally, one of the most colorful creatures on earth and certainly the most colorful primates. Their striking faces are matched only by the bright coloring of their hindquarters. (Their genitals are colorful, too, if you must know!) The coloring is part … More The Birth of a Cultural Meme: The “Do Not Disturb” Gesture in Mandrills