As the largest living species of tortoise, males can grow to be 500 pounds, while females average around 250 pounds. They are estimated to live from 100 to 200 years old. The Philadelphia Zoo is ...

Mommy, the Philadelphia Zoo's oldest resident, is living up to her name. A pair of nearly 100-year-old tortoises have welcomed four baby hatchlings at the Philadelphia Zoo. "All are doing well ...

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 ...

Othello the Aldabra giant tortoise, who was well over 100 years old, died at the St. Louis Zoo on April 8. Screengrab from St. Louis Zoo Facebook page. Zookeepers and guests are mourning a beloved ...