Mommy, the Philadelphia Zoo's oldest resident, is living up to her name. A pair of nearly 100-year-old tortoises have welcomed four baby hatchlings at the Philadelphia Zoo. "All are doing well ...

The longest resident at the Philadelphia Zoo is a new parent — and the oldest known first-time mom of her species. Mommy, a Western Santa Cruz Galapagos tortoise, has welcomed four freshly ...

That's the case for a pair of critically endangered Western Santa Cruz Galapagos tortoises after four baby tortoises recently hatched at the Philadelphia Zoo. The parents -- aptly-named Mommy and ...