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Chester Zoo Welcomes Rare Roloway Monkey Birth After Surgery

3/19/2026

27 4 Full Breakdown

Summary

Story summary

Masaya, a critically endangered roloway monkey at Chester Zoo, gave birth to her third daughter, Little Lagertha.
The birth followed a pioneering surgery to remove a mass from Masaya's foot, including a toe amputation, at the University of Liverpool.
Primate keeper Zoe Edwards noted Masaya's parenting skills.
Roloway monkeys are native to West Africa and face threats from hunting and illegal trade, leading to a significant population decline.

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Story summary

Masaya, a critically endangered roloway monkey at Chester Zoo, gave birth to her third daughter, Little Lagertha.
The birth followed a pioneering surgery to remove a mass from Masaya's foot, including a toe amputation, at the University of Liverpool.
Primate keeper Zoe Edwards noted Masaya's parenting skills.
Roloway monkeys are native to West Africa and face threats from hunting and illegal trade, leading to a significant population decline.