PHILADELPHIA, PA — The Philadelphia Zoo has achieved a monumental milestone in its 150+ year history with the successful hatching of four critically endangered Western Santa Cruz Galapagos tortoises.

After a female tortoise is fertilized, she undergoes several changes. After mating, the female tortoise will carry eggs for weeks to months, depending on the species. As the female tortoise gets ...

A pair of Western Santa Cruz Galápagos tortoises, who are estimated to be around a century old, have become parents for the first time at the Philadelphia Zoo. The arrival of four hatchlings to “Mommy ...

April 4 (UPI) --The Philadelphia Zoo announced the hatching of four critically endangered Western Santa Cruz Galapagos tortoises, the first of their species to hatch at the facility in its history.

PHILADELPHIA – Sixteen critically endangered western Santa Cruz tortoises born to some very old parents got a slow walk and the red carpet treatment Wednesday at a Philadelphia Zoo event to show off ...