The schiribilla bird of the Galápagos Islands was observed by Charles Darwin in 1835 but has been missing ever since — until ...

This month, the Philadelphia Zoo announced the arrival of four hatchlings born to the male tortoise Abrazzo and the aptly ...

Mommy has been living at the Philadelphia Zoo for 90 years, and waited until old age to experience motherhood.

The births were a "first" in the zoo's 150-year history, and Mommy, who arrived in 1932, was the oldest known first-time ...

Four critically endangered Western Santa Cruz Galapagos Tortoises hatched earlier this month, the first time in the zoo’s ...

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 ...

The first of the four hatchlings, all female, began to emerge from its white, hard-shelled egg on Feb. 27, the zoo said. The ...

Mommy, a centenarian resident at Philadelphia Zoo, has officially lived up to her name – she gave birth to four hatchlings, ...

Western Santa Cruz Galapagos tortoises Mommy and Abrazzo, both estimated to be 100 years old, are the proud parents of four hatchlings.

PHILADELPHIA — On Thursday, the Philadelphia Zoo announced the hatching of four critically endangered Western Santa Cruz ...

Galapagos tortoises hatched 4 babies at the Philadelphia Zoo helping to ensure the survival of a critically endangered ...