The births were a "first" in the zoo's 150-year history, and Mommy, who arrived in 1932, was the oldest known first-time ...

The tortoises are part of a larger breeding program meant to stabilize the critically endangered species. Becoming a parent at the sprightly age of 100 isn’t for the faint of heart. While it may ...

Chester Zoo’s largest-of-its-kind African savannah opens to visitors - The vast 22-acre habitat has become home to 57 species ...

The arrival of the hatchlings is significant because Western Santa Cruz Galápagos tortoises are considered critically endangered by the International Union for Conservation of Nature. Before the ...

Western Santa Cruz tortoises in particular are critically endangered—making the arrival of these hatchlings all the more important. It’s been a long journey for Mommy to reach motherhood, ...

An endangered tortoise named Mommy recently gave birth at nearly 100 years old. Sarah the matriarch did it first.

A rare, Western Santa Cruz Galapagos tortoise who is estimated to be 97 ... are a major boon for the future of the critically endangered species. The zoo will debut the currently nameless babies ...

Now, the baby tortoises weigh about 2 to 3 ounces, or approximately the weight of a chicken egg, the zoo said. Four endangered tortoise eggs hatched to nearly century-old parents, the Pennsylvania ...