The Fort Worth Zoo will hold a grand reopening of its World of Primates exhibit, the zoo announced Tuesday.

The complex, originally opened in 1996, is the zoo’s oldest.

Home to many of the zoo’s primate species, including three of the four great apes: gorillas, orangutans and bonobos, the reimagined indoor space now also features a new species for the zoo, the two‑toed sloth.

Olive, the zoo’s new sloth, occupies a habitat that replaces the boardwalk and shade structures surrounding the complex.

“We are always excited when there is an opportunity to introduce Fort Worth to a new animal at the Zoo,” said Michael Fouraker, executive director of the Fort Worth Zoo. “Guests have long requested a sloth, and we’re thrilled to provide a home for one. We hope the sloth species’ popularity and charm will inspire connection and allow us to continue our mission of strengthening the bond between humans and wildlife by providing close-up experiences with and fostering an appreciation for animals.”

The renovation includes two phases.

Phase One focuses on upgrades across the 2.5‑acre complex, including guest areas, animal habitats and behind‑the‑scenes staff spaces.

New features include boardwalk access to the indoor primate island, previously accessible only to animals, a suspended bridge and tropical indoor landscaping for aviary residents.

Nearly 20 species of exotic birds live in the space, including the critically endangered white‑winged duck, the red‑and‑yellow barbet and the pink‑necked pigeon.

Behind‑the‑scenes improvements include modernized HVAC systems, updated overnight animal spaces, upgraded shifting systems to improve safety for animals and staff, a new air compressor for those systems and enhanced security.

Construction on Phase Two will begin later this year. Planned updates include filling the gorilla moat, which will allow guests to get closer to the gorilla troop and double the size of their habitat, as well as replacing the remaining boardwalk and shade structures around the complex.

More than 34 million guests have visited the World of Primates since its debut, according to the zoo.