I have been a little tied up with other writing duties today, so in lieu of a "normal" post here is another snapshot from my trip to the Bronx Zoo last weekend. It is of a young male gelada baboon ...

To see if the Bruce effect exists in gelada monkeys (Theropithecus gelada), Jacinta Beehner, an anthropologist at the University of Michigan, and her colleagues tracked 110 females across 21 groups of ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more ...