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.

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.

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

Audrey Roloff revealed when she started working out after giving birth, and she encouraged new moms to not 'force' fitness.

The zoo works with the organization Save Giraffes Now, which works in 10 African countries to conserve giraffe populations through ecosystem restoration, research, anti-poaching efforts and more.