Four adorable western Santa Cruz Galápagos tortoise babies are now on display at Philadelphia Zoo after their 100-year-old 'Mommy' reproduced for the first time.

Othello, a centenarian Aldabra giant tortoise ... experts estimate he was well over 100 years old at the time of his death. The tortoises take several decades to reach full size, and Othello ...

Prior to the hatchlings, there were only 44 individual Western Santa Cruz Giant ... to live from 100 to 200 years old. The Philadelphia Zoo is home to three adult Galapagos tortoises, Abrazzo ...

Four endangered baby tortoises have made their highly anticipated public debut at the Philadelphia Zoo as the first hatchlings of their 100-year-old mother, Mommy. Mommy, a western Santa Cruz ...

Prior to the hatchlings, there were only 44 individual Western Santa Cruz Giant ... to live from 100 to 200 years old. The Philadelphia Zoo is home to three adult Galapagos tortoises, Abrazzo ...