Mommy, who has lived at the zoo for nearly 93 years, is seen as one of the most "genetically valuable Galapagos tortoises" in ...

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 ...

Mommy, a Western Santa Cruz tortoise, recently welcomed four hatchlings ... The hatchlings, none of which have been named, are expected to be on view to the public starting on April 23, the ...

A pair of critically endangered, nearly 100-year-old Galapagos tortoises at the Philadelphia Zoo have become first-time parents. In an announcement Friday, the zoo said it is “overjoyed” at ...

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 ...

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.

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 ...

PHILADELPHIA, Pennsylvania — A pair of critically endangered, nearly 100-year-old Galapagos tortoises at the Philadelphia Zoo have become first-time parents. In an announcement on Friday ...

A pair of critically endangered, nearly 100-year-old Galapagos tortoises at the Philadelphia Zoo have just become first-time parents. In an announcement last week, the zoo said it is “overjoyed” at ...