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Philadelphia Zoo Debuts 16 Western Santa Cruz Tortoise Hatchlings From Century-Old Pair

The arrivals raise the North American captive total to 60, with a year in Philadelphia before AZA-coordinated placements.

Staff members pose for photographs several of the 16 critically endangered western Santa Cruz tortoise hatchlings during their debut at the Philadelphia Zoo in Philadelphia, Wednesday, Aug. 20, 2025. (AP Photo/Matt Rourke)
A staff member holds one of the 16 critically endangered western Santa Cruz tortoise hatchlings during their debut at the Philadelphia Zoo in Philadelphia, Wednesday, Aug. 20, 2025. (AP Photo/Matt Rourke)
Mommy, left, and Abrazzo, a couple that is estimated to both be about 100 years old and the parents of 16 hatchlings in two clutches, move in their enclosure at the Philadelphia Zoo in Philadelphia, Wednesday, Aug. 20, 2025. (AP Photo/Matt Rourke)
Director of Herpetology Lauren Augustine, left, and staff members pose for photograph s during the debut of 16 critically endangered western Santa Cruz tortoise hatchlings at the Philadelphia Zoo in Philadelphia, Wednesday, Aug. 20, 2025. (AP Photo/Matt Rourke)

Overview

  • The hatchlings were born to Mommy and Abrazzo, a Galápagos tortoise pair each estimated to be about 100 years old.
  • Mommy has lived at the Philadelphia Zoo since 1932 and produced her first offspring after Abrazzo arrived from Riverbanks Zoo about five years ago.
  • The babies came in two clutches this spring and summer and were presented to the public on Aug. 20 as healthy and growing.
  • Zoo officials say the cohort significantly boosts genetic diversity for the critically endangered Western Santa Cruz species managed under the Association of Zoos and AquariumsSpecies Survival Plan.
  • A donor campaign offers $25-per-entry chances to name one male hatchling, with proceeds supporting animal care and conservation.