After spending decades at the Philadelphia Zoo without successfully producing offspring, a Galapagos tortoise named Mommy reached an extraordinary milestone. Estimated to be nearly 100 years old, she became the oldest known first-time mother of her species after producing 16 hatchlings with her mate, Abrazzo.

The remarkable event unfolded across two clutches, with the Philadelphia Zoo announcing the arrival of additional hatchlings in 2025. Beyond Mommy’s unusual journey to motherhood, the achievement offered a significant boost to conservation efforts for a critically endangered tortoise population.

The story also captured public attention for a charming reason: four of the baby tortoises were named Blanche, Dorothy, Rose, and Sophia after the beloved television sitcom The Golden Girls.

A Long Wait for a Mate

Mommy arrived at the Philadelphia Zoo in 1932. Despite spending decades at the zoo, she did not produce offspring for much of her life.

That changed when Abrazzo arrived in October 2020 from Riverbanks Zoo and Garden in Columbia, South Carolina. His transfer followed a breeding recommendation through the Association of Zoos and Aquariums’ Species Survival Plan, which coordinates efforts to maintain healthy populations of threatened and endangered species in human care.

According to reporting by PEOPLE, the two tortoises were introduced in 2022. Earlier clutches did not produce viable eggs, but the situation eventually changed.

In November 2024, Mommy laid her first successful clutch, marking the beginning of a remarkable new chapter for the longtime zoo resident.

Her story illustrates how conservation breeding can require years of careful planning and patience. Even when animals are paired through a coordinated breeding program, successful reproduction is never guaranteed.

For Mommy and Abrazzo, however, the eventual arrival of healthy hatchlings represented an important milestone for both the zoo and the species’ managed population.

Sixteen Hatchlings From Two Clutches

Mommy’s first clutch, laid in November 2024, contained 16 eggs. Zoo staff carefully collected the eggs and placed them in controlled incubation conditions.

Temperature plays a particularly important role in tortoise development because incubation conditions can influence the sex of the hatchlings. The zoo’s animal care team therefore monitored the eggs throughout the incubation process.

Four female hatchlings emerged first, followed by additional babies over the following months.

In August 2025, the Philadelphia Zoo announced that nine more tortoises had hatched from a second clutch. The two clutches brought the total number of hatchlings to 16.

According to the zoo, the group consisted of nine males and seven females.

Jo-Elle Mogerman, president and chief executive officer of the Philadelphia Zoo, said the story of Mommy, Abrazzo, and their 16 offspring had captured the imagination of people around the world.

The milestone was notable not only because of Mommy’s estimated age but also because every hatchling could contribute to the managed population of a species facing significant conservation challenges.

Four Baby Tortoises Named After The Golden Girls

One of the most memorable details of the story was the naming of the first four female hatchlings.

Zoo staff named them Blanche, Dorothy, Rose, and Sophia, after the leading characters from The Golden Girls, the popular television sitcom.

The names added a playful touch to an otherwise serious conservation story, connecting a familiar television show with an effort to protect an endangered animal.

Other hatchlings received names honoring people and places associated with Galapagos tortoise conservation. Colette, for example, was named after herpetologist Colette Adams. Caldero refers to the volcanic calderas found on Santa Cruz Island, part of the Galapagos archipelago where the tortoise population is native.

Because young tortoises can be difficult to tell apart, zoo staff also use different colors of nontoxic nail polish to identify individual hatchlings.

These temporary markings help caretakers track each animal as it grows and receives routine care.

Although the names have become a charming part of the story, every hatchling also represents an individual animal requiring specialized attention during its early development.

Why These Hatchlings Matter for Conservation

Western Santa Cruz Galapagos tortoises are classified as critically endangered by the International Union for Conservation of Nature.

According to the Association of Zoos and Aquariums, threats to the species include habitat loss, invasive species, and human-wildlife conflict. These pressures can make it more difficult for wild populations to survive and reproduce.

Before the hatchlings arrived, the managed population of Western Santa Cruz Galapagos tortoises across U.S. zoos numbered just 44, according to the supplied reports. The 16 new arrivals increased the managed population to 60.

Mommy is also considered one of the most genetically valuable members of her species in human care. Maintaining genetic diversity is important because it can help support the long-term health of managed populations.

Lauren Augustine, the Philadelphia Zoo’s director of herpetology, praised the animal care team’s achievement, saying that in less than a year they had accomplished what was considered nearly impossible twice.

The successful clutches demonstrate the potential value of coordinated breeding programs. However, the arrival of hatchlings alone cannot resolve the wider threats facing the species.

Long-term conservation also depends on protecting natural habitats, managing invasive species, and supporting efforts that allow wildlife populations to survive beyond zoo environments.

What Happens to the Hatchlings Next?

The Philadelphia Zoo said the hatchlings would remain in Philadelphia for at least a year while staff monitored their growth and development.

According to NBC Philadelphia, some were expected to move to other facilities in fall 2026. At the time of the supplied report, the zoo had not provided a complete update on the planned placements.

Transfers between participating institutions can be part of a coordinated conservation strategy, allowing facilities to manage populations and future breeding plans according to established recommendations.

In the meantime, the young tortoises need appropriate diets, suitable temperatures, secure habitats, and regular observation to ensure they develop properly.

Their eventual roles in conservation programs will depend on decisions made by the institutions managing the population.

For now, their arrival represents an encouraging step in the continued effort to protect this threatened tortoise population.

Getting to Know the Galapagos Tortoise

Galapagos tortoises are among the largest living tortoises in the world. Native to the Galapagos Islands off the coast of Ecuador, they are known for their substantial size and exceptionally long lifespans.

The Galapagos archipelago contains multiple tortoise species adapted to different island environments. The Western Santa Cruz tortoise is one of the populations included in ongoing conservation efforts.

Scientists estimate that Galapagos tortoises can live for approximately 100 to 200 years, although individual lifespans vary.

Their slow growth and long lives mean that protecting them requires a long-term commitment. Conservation programs must consider not only the animals alive today but also the future generations that may help sustain the species.

Mommy’s story offers an unusual example of how reproduction can occur late in an animal’s life. Her experience should not be taken to mean that all tortoises can reproduce at the same age or that age alone determines breeding success.

Instead, it highlights the importance of individual animal care, carefully planned breeding programs, and sustained conservation work.

Frequently Asked Questions

How old is Mommy the tortoise?

Mommy is estimated to be nearly 100 years old and has lived at the Philadelphia Zoo since 1932.

How many babies did Mommy have?

She produced 16 hatchlings across two clutches, according to the Philadelphia Zoo. The group consisted of nine males and seven females.

Why is Mommy’s motherhood considered a record?

The Philadelphia Zoo described her as the oldest known first-time mother of her species.

Who are the four hatchlings named after The Golden Girls?

The first four female hatchlings were named Blanche, Dorothy, Rose, and Sophia after the sitcom’s main characters.

Is the Western Santa Cruz Galapagos tortoise endangered?

Yes. The IUCN classifies the population as critically endangered, with threats including habitat loss, invasive species, and human-wildlife conflict.

How long can Galapagos tortoises live?

Scientists estimate that Galapagos tortoises can live between 100 and 200 years.

What will happen to the baby tortoises?

The zoo planned to monitor their growth in Philadelphia for at least a year, with some expected to transfer to other facilities in fall 2026. The supplied report did not confirm their final placements.

Sources: Philadelphia Zoo, Association of Zoos and Aquariums, The Philadelphia Inquirer, FOX 29, 6abc, MyChesCo, NBC Philadelphia, and PEOPLE.