| Those species were chimpanzee, gorilla, orangutan, gibbon, macaque and owl monkey. |
| The gorilla is famous for knowing sign language, and she was able to sign to her handlers in California that she had a toothache. |
| When they first encountered each other, the 280-pound gorilla instantly enfolded Fred Rogers, all 143 pounds of him, in a massive embrace. |
| The state-of-the-art enclosure at the zoo was the first outdoor experience for the female gorilla, who was also used to the Russian language. |
| The pictures show a female gorilla grabbing a branch to gauge the depth of a pool of water before wading across it. |
| Then a female gorilla, followed by one of the silverbacks, began to climb up the trunk. |
