Dorothy Cheney & Robert Seyfarth

Departments of Biology and Psychology, University of Pennsylvania
Publications, Grad Students, Post-Docs

Male baboon ‘wahoos’

Power’s ‘alarm’ wahoo (to a lion):

Power’s ‘contest’ wahoo:

Alarm wahoos are relatively noisy, with a shorter ‘hoo’ than contest wahoos.

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Differences in wahoos at the start and end of a calling bout:

(Male Enzo)

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High- and low-ranking males’ wahoos compared:

(High-ranking Power)          (Low-ranking Bob)

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Changes in wahoos with age: Wanda in 1992 and 2002: