St. Louis Zoo

The male Ozark hellbender was raised at the St. Louis Zoo and released into the Current River in July 2019. Researchers found 128 eggs in October, and a later visit confirmed the eggs had hatched.

An Andean bear named Ben once again escaped his enclosure at the St. Louis Zoo.

St. Louis Zoo and Brookfield Zoo in Chicago recently swapped two western lowland gorillas in an effort to help the survival of the critically endangered species.

The International Union for Conservation of Nature considers the Francois' langur an endangered species.

Missouri conservationists have reached an important milestone in their effort to save hellbender salamanders. In August, the number released into the wild topped 10,000. Scientists say it’s an important moment for the endangered species.

The zoo plans a $230 million, 425-acre park in Spanish Lake where the animals can roam free in natural habitats.

Leopard cubs Anya and Irinia were born last month and will remain in a private space for the next few months. Fewer than 100 Amur leopards remain in the wild.

Three of the St. Louis Zoo’s nine elephants are 50 years old. Known as the “golden girls,” the geriatric elephants require special care.

Hellbenders once thrived in cold, fast-moving Missouri streams, but their populations have plummeted since the 1980s.

Eight animals in the zoo’s Big Cat Country habitat likely caught the coronavirus from a human carrier, zoo officials said. The cats had all received the COVID-19 vaccine and are expected to make a full recovery.