A gorilla was born at the Columbus Zoo and Aquarium on Wednesday, Sept. 29.

A gorilla was born at the Columbus Zoo and Aquarium on Wednesday, Sept. 29.

The baby, whose sex currently is unknown, was born at about 2 p.m. Wednesday to Cassie, a gorilla born at the zoo in 1993. The baby is the 13th gorilla born at the Columbus Zoo. The baby also is the first for Cassie and the third for father Annaka, which was born at the Philadelphia Zoo in 1985.

The baby is being cared for by Cassie, her father and two other members of the gorilla group and isn't available yet for visitors to view.