After a 97-year-old Galápagos tortoise named Mommy gave birth, David Muir reports on the debut of four critically endangered Western Santa Cruz Galápagos tortoises at the Philadelphia Zoo.

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

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

PHILADELPHIA (WPVI) -- The Philadelphia Zoo is celebrating the mother tortoise and her babies that set a world record. The ...

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

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

Their first appearance came on the anniversary of their mother's arrival at the Philadelphia Zoo 93 years ago. The tortoise species is considered critically endangered. (AP Video: Tassanee Vejpongsa) ...

Proud parents Mommy and Abrazzo are both nearly 100 years old, but they’re contributing to Galápagos tortoise conservation at ...

Four rare Western Santa Cruz Galápagos tortoise hatchlings will go on public view at Philadelphia Zoo starting April 23.

A roughly 100-year-old western Santa Cruz Galápagos tortoise has become a mom for the first time after reproducing with a ...

The first of the four hatchlings, all female, began to emerge from its white, hard-shelled egg on Feb. 27, the zoo said. The four hatchlings are part of a clutch of 16 eggs Mommy laid back in November ...