After a 97-year-old Galápagos tortoise named Mommy gave birth, David Muir reports on the debut of four critically endangered ...

The hatchling's parents are the zoo's two oldest residents, each estimated to be around 100-years-old.

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.

The zoo on Wednesday debuted its four female Western Santa Cruz Galapagos tortoise hatchlings, moving them to their public ...

Mommy, a nearly 100-year-old Galapagos tortoises, and parent of four hatchlings is seen in her enclosure at the Philadelphia ...

It is hard to tell the girls apart, so zookeepers put a little dot of different color nail polish on each of them.

For the first time in over 150 years, the Philadelphia Zoo has new additions to the Western Santa Cruz Galapagos tortoise ...

Their first appearance came on the anniversary of their mother's arrival at the Philadelphia Zoo 93 years ago. The tortoise ...

For the first time in over 150 years, the Philadelphia Zoo welcomed a clutch of Western Santa Cruz Galapagos tortoises.

The Western Santa Cruz Galapagos Tortoises are making international headlines. At nearly 100-years old, the mother, whose ...

Four baby tortoises made their pubic debut at the Philadelphia Zoo in Philadelphia. They weighed between 70-80 grams. The ...