Arrival of baby giraffe at San Antonio Zoo marks 'next chapter' — here's why Meet Kicheko, the newest heartthrob at the San Antonio Zoo.

The zoo care team decided it would be best to "hand-rear" the baby orangutan. Infants typically cling to their mothers constantly in their first few months of life.

A bottlenose dolphin at the Brookfield Zoo Chicago gave birth to a calf early Saturday morning with the help of a fellow mom.

A bottlenose dolphin at the Brookfield Zoo Chicago gave birth to a calf early Saturday morning with the help of a fellow mom.

A bottlenose dolphin at the Brookfield Zoo Chicago gave birth to a calf early Saturday morning with the help of a fellow mom.

A bottlenose dolphin at the Brookfield Zoo Chicago gave birth to a calf early Saturday morning with the help of a fellow mom.