In 1967, local villagers in Africa's Equitorial Guinea captured a remarkable baby gorilla with a coat of pure white. Watch the full episode online.

In China, the last female rafetus turtle is about to be introduced to her new home, where the last male is waiting to meet her.

In 1956, the Columbus Zoo in Ohio became the home of the first gorilla to be born and raised in captivity.

For nearly 40 years an albino gorilla named Snowflake was adored by people around the world.

The moment Charlie Russell and Maureen Enns saw the three orphans in a Russian zoo, they knew what they had to do.

During the latter part of the 20th century, zoos began to provide a new experience for visitors by replacing the iron bars and concrete walls of cages with protective moats, bigger animal areas, and recreated tropical rainforests.

During the 20th century, as humans have encroached more and more on animals' territory, zoos have come to be more than just places to view wild animals.

Animal health care is an important part of the zoo's mission, and staff members pay daily "house calls" to residents.

Every animal has a story...and so does the staff at the San Diego Zoo.