You’re already familiar with our bison thanks to THE ZOO. Now, 8 purebred bison we received as a gift from the Fort Peck Assiniboine and Sioux tribes are on exhibit. This historic transfer is part of our longtime work on bison conservation. | Bronx Zoo

Last month, we shared that we had transferred six genetically pure Bronx Zoo-born bison to the Osage Nation in Oklahoma as part of a conservation program that has been years in the making. Enjoy this clip for an overview, then head over to the WCS website to view a longer video that documents this amazing conservation story: wcs.org | Bronx Zoo

7.3K views · 356 reactions | Who’s coming to Passport to the World this weekend? We’re celebrating cultures from all over the world, including right here in the U.S. The Bronx Zoo played a key role in the recovery of the American bison. In the early 1900s, groups of our herd’s ancestors were moved from the zoo to the western plains, where bison were nearly extinct. Thousands of their relatives roam there today. | Bronx Zoo | Facebook

Today's moment of zen: a slow and steady walk with a crane. | Bronx Zoo

We’ve got a new baby on board! In December 2025, an endangered pygmy slow loris infant was born in our newest exhibit, World of Darkness. This is the first primate to be born at the zoo’s immersive exhibit since it opened in July 2025. It is one of just 50 pygmy slow lorises across AZA-accredited zoos in North America. Pygmy slow lorises are nocturnal primates that live in the forests of Southeast Asia. They are considered Endangered by the IUCN Red List of Threatened Species, with habitat loss

Recently, three male and three female Bronx Zoo-born American bison were transferred to the Osage Nation in Oklahoma to join the nearly 200 bison that make up the resident Osage herd on their 43,000 acre ranch. This move is a significant step in a new partnership between the Bronx Zoo and Osage Nation, and is the culmination of years of work on a conservation program that had its beginning more than a century ago when the American bison faced extinction. Dating back to our founding, the Bronx Zo