SAN DIEGO (May 17, 2024) – On the morning of April 12, 2024, the San Diego Zoo's Wildlife Care team was greeted with an exciting development. Meili (pronounced may-lee), an endangered François' langur under pregnancy observation for several months, gave birth to a vibrant orange infant overnight. This marks the Zoo's first François' langur birth since 2019, introducing a critical new member to the dwindling species population.

There’s an important part of the San Diego Zoo Safari Park that most guests never see.

For the first time in nearly 50 years, black rhinos are back at Loisaba Conservancy.

SAN DIEGO, PALM DESERT, Calif. (April 15, 2024) – Seventy critically endangered Mojave desert tortoises have successfully emerged from their winter burrows after being reintroduced into their native habitat on Edwards Air Force Base in Southern California. San Diego Zoo Wildlife Alliance and The Living Desert Zoo and Gardens, the global authority on desert plant and wildlife conservation, are working in partnership with Edwards Air Force Base, the U.S. Fish and Wildlife Service and the U.S. Geological Survey, using headstarting techniques designed to increase the survival rate for young tortoises. The cohort of young tortoises was the first in the program to be reintroduced into the wild after receiving a combination of an indoor- and outdoor-rearing. Within 24 hours of reentering their native habitat, the tortoises were exhibiting positive natural behaviors by constructing new burrows or modifying existing burrows for shelter. Now, six months later, they have emerged after winter brumation—a state of deep sleep specific to reptiles—and are spending more time basking at burrow entrances. Scientists are currently conducting health assessments and replacing radio transmitters on the tortoises to continue monitoring their success and better understand the juvenile age class.

Technology is making a powerful difference in the world of conservation, and our teams are at the forefront.

SAN DIEGO (Jan. 30, 2024) – San Diego Zoo Wildlife Alliance and San Diego State University (SDSU) are joining forces to usher in a new way of studying snakes. In a collaboration between San Diego Zoo Wildlife Alliance and Rulon Clark, Ph.D., professor of biology at SDSU, biologists are tagging wild rattlesnakes with external transmitters and accelerometers. Previously, telemetry devices on snakes had to be surgically implanted—severely limiting this area of study. San Diego Zoo Wildlife Alliance and SDSU are among the first to use acceleration technology to study snakes.

Understanding the effects of gold mining is crucial to protecting wildlife in the Peruvian Amazon.

African penguins and California least terns share marine habitat challenges.

Polar bears at the San Diego Zoo are making a vital difference for their species.

SAN DIEGO (Dec. 7, 2023) – In 2017, a team of medical experts—including specialists in the treatment of both human and wildlife patients—gathered to assess an esteemed elder resident of the San Diego Zoo Safari Park: Winston, a critically endangered silverback gorilla. Today, at age 51, he is considered one of the world's oldest male gorillas in managed care.