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Zoo's Last Sea Lions Euthanized Due to Age
7 Mar
Summary
- Colchester Zoo's final two sea lions, Sydney and Milan, were euthanized.
- The decision was made due to the animals reaching geriatric age and welfare concerns.
- Another sea lion, Winnipeg, was also euthanized in February due to old age.

Colchester Zoo has made the difficult decision to euthanize its last two sea lions, Sydney and Milan, on Friday. The animals had reached what the zoo described as "geriatric age," and the decision was made in the interest of their welfare to prevent suffering.
This action comes after another sea lion, Winnipeg, was also euthanized in February due to old age. Sea lions of the Patagonia species typically live into their early twenties, according to marine biology sources.
The zoo expressed the profound impact of this loss, likening the animals to family members. Sydney was known for her energetic personality and close bonds with keepers, often found on her favorite rock. Milan was described as the shyer of the pair, noted for a unique vocalization.
Staff at Colchester Zoo have shared their devastation, highlighting the irreplaceable bonds formed with Sydney and Milan. The loss is mourned by the animal care team and the many visitors and supporters who had fallen in love with the sea lions over the years.




