Baby Western lowland gorilla, Bo, is pictured with his mother, Moka, at the Pittsburgh Zoo. Photo Courtesy of the Pittsburgh Zoo and Aquarium

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Visitors to the Pittsburgh Zoo & Aquarium now have a new sight to enjoy — a second western lowland gorilla, a baby boy, was born at the Zoo on May 11.

This baby gorilla comes just months after the birth of another gorilla, Charlotte, in February. Western lowland gorillas are a critically endangered species, zoo officials said.

While the zoo has previously hosted naming contests for many of the babies born in its care, animal care staff have already selected a name for the boy, Bo. The name was selected in honor of Bo’s late grandfather, Mimbo, who resided at the Pittsburgh Zoo until 2005.

While there are now two baby gorillas at the zoo this year, these infants are not expected to interact with one another given that they belong to two different gorilla families that reside at the zoo. Pittsburgh Zoo is now home to eight total gorillas, officials said.

The zoo recently had twin Amur leopard cubs born in March, along with three nyalas born in February, March and April.