Four critically-endangered Western Santa Cruz Galapagos tortoise babies made their debut at the Philadelphia Zoo on Wednesday ...

Mommy, a nearly 100-year-old Galapagos tortoises, the parent of four hatchlings moves 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.

It took nearly 100 years for a duo of endangered Philadelphia Zoo tortoises to become parents -- the time to name those hatchlings will be much, much shorter.

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

In early April, the Philadelphia Zoo welcomed four baby tortoises to their family, the first to be born there in the Zoo's ...

Philly hosts the Penn Relays, a food fest-filled Sunday, and a Tokyo cheesesteak pop-up — plus baby tortoises at the zoo, ...

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

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.

Female bonobos linked up even when they didn’t have close ties, supporting one another against the males and cementing their ...

The Philadelphia Zoo is celebrating the mother tortoise and her babies that set a world record.