Three More Critically Endangered Galapagos Tortoises Hatch at Philadelphia Zoo
By Jill Dando News
Philadelphia Zoo is excited to share that three more critically endangered Western Santa Cruz Galapagos tortoises have hatched at the Zoo.
These hatchlings are from the same clutch of eggs that produced four female tortoises earlier in 2025.
The hatchlings’ parents, female Mommy and male Abrazzo, are the Zoo’s two oldest residents, each estimated to be around 100 years old.
Additionally, Mommy is considered one of the most genetically valuable Galapagos tortoises in the Association of Zoos and Aquariums (AZA) Species Survival Plan (SSP). She is also the oldest first-time mom of her species.
The male hatchlings, currently behind-the-scenes inside the Reptile and Amphibian House, are eating and growing appropriately.
The first male egg pipped (began hatching) on April 14 with the two others hatching in the following weeks. The male hatchlings do not have names at this time.
The Zoo recently asked the public to weigh in and help choose names for the four female hatchlings, who are now named for the Golden Girls: Dorothy, Rose, Blanche and Sophia.
In order to provide all the hatchlings with the best care possible, both the females and males will be spending time in their public habitat and their habitat behind-the-scenes in the Reptile and Amphibian House.
Additionally, the Zoo is monitoring eggs Mommy laid in January 2025 inside the Reptile and Amphibian House. Out of the 16 laid, nine of them continue to show signs of development inside the Zoo’s incubators.
Six of them are being incubated at temperatures that produce males, and three are being incubated at temperatures that produce females. This clutch of eggs has reached its potential hatch window and could start to show signs of pipping in the coming days and weeks.
The babies are part of the AZA SSP breeding program to ensure the survival of this species and maintain a genetically diverse population.
Western Santa Cruz Galapagos tortoises are listed as critically endangered by the International Union for Conservation of Nature (IUCN) with threats including human-wildlife conflict, the introduction of invasive species, and habitat loss.
“It is a joy to be able to share this next chapter with all those in our region, country and around the world that have been captivated by this story,” said President & CEO Dr. Jo-Elle Mogerman.
“Mommy, Abrazzo, and the hatchlings are educating millions of people about their species and conservation. Those folks have become a part of this story. We encourage them to get involved by visiting the babies or by supporting their care however they can.”
“It is such a delight to have the final eggs of Mommy’s first viable clutch hatch,” said Vice President of Animal Well-Being Rachel Metz.
“This success has been a years-long process from bringing Abrazzo to the Zoo in 2020, to fundraising for nesting materials in 2021 and introducing Mommy and Abrazzo in 2022. Our sincerest gratitude for this success goes to the passionate and diligent work by experts in the AZA community and the entire Philadelphia Zoo team, including the countless keepers that kept Mommy healthy and thriving over the last 93 years.”
In celebration of this conservation achievement, the Zoo designed t-shirts to support the hatchlings’ care.
The three designs are based off of photos taken of the baby tortoises and Mommy. Slogans include “Never Too Late,” “Saving Species Since 1859,” and “Live Long and Grow a Thick Shell.”
Part of the proceeds will go to the Zoo’s animal care fund. T-shirts can be purchased here.
The Galapagos tortoise hatchlings are part of an Association of Zoos and Aquariums (AZA) Species Survival Plan (SSP) breeding program to ensure the survival of this species and maintain a genetically diverse population.
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