| captive chimp | 0.39 | Q. You study captive chimps at the Yerkes Primate Center. | ||
| wild chimp | 0.39 | And sanctuaries throughout Africa shield wild chimps from poachers. | ||
| young chimp | 0.39 | He said there have been rare cases of young chimps impregnating a female. | ||
| female chimp | 0.26 | A female chimp who died more than a decade ago turned out to be a crucial piece of the puzzle. | ||
| male chimp | 0.26 | The male chimps protect the females and babies from hostile attack and also from starvation. |