Four tortoise hatchlings born at the Philadelphia Zoo now have names. Over 13,000 people voted for the zoo's youngest stars ...

It took nearly 100 years for a duo of endangered Philadelphia Zoo tortoises to become parents and the "Golden" moment is now ...

The names Dorothy, Rose, Blanche and Sophia pay tribute to the ladies of "The Golden Girls." More than 13,000 people voted for the names. Their nearly 100-year-old mother, named "Mommy", made ...

The Philadelphia Zoo's four new female tortoise hatchlings have been named. Votes for the names topped 13,000. They are named ...

More than 13,000 people voted on the names for the Galapagos tortoise hatchlings at the Philadelphia Zoo, and the results are ...

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.

A rare Santa Cruz Galapagos tortoise, estimated to be 97 years old, just became the oldest known first-time mother of her species, according to the Philadelphia Zoo. The father of the four new ...

The sex of tortoise hatchlings is influenced by temperature, so the zoo incubated eight eggs below 28° Celsius (82.4° Fahrenheit) to produce males and the other eggs above 29.5°C (85.1°F ...

In a remarkable turn of events at the Philadelphia Zoo, Mommy, a centenarian western Santa Cruz Galápagos tortoise, has laid her first eggs. This event marks a significant milestone for ...

Mommy, who has lived at the zoo for nearly 93 years, is seen as one of the most "genetically valuable Galapagos tortoises" in the Association of Zoos and Aquarium's Species Survival Plan.

Mommy, who has lived at the zoo for nearly 93 years, is seen as one of the most "genetically valuable Galapagos tortoises" in the Association of Zoos and Aquarium's Species Survival Plan. She laid 16 ...