Gigi, a large, sterile female who delighted in being the "aunt" of any young chimps or humans.

As the alpha male of his community, Freddy is the most likely father of the young chimp he nurtures.

In contrast, humans (specifically college students) had a hard time with this test, barely outperforming the mother and losing badly to the young chimp.

But, in at least one study population, young chimps carry them around for no apparent reason, and exhibit behavior that resembles caring for them.

You have to separate a young chimp from its mother and send him or her to the main center for research.

When human subjects were given time to practice, they substantially outperformed the young chimps.

This group was set up as a nursery where young chimps grow up until old enough to join an adult group in the park.

She has the mind of a teenage girl, but the innocent heart of a young chimp.

A young chimp at the zoo ascended to the highest limbs of a tree to show off his acrobatic skills.

An experimental procedure has been used to transplant Eva's "neuron memory" into Kelly, a young chimp from her father's research facility.