Around Utah: Utah’s Hogle Zoo mourns the passing of sea lion Diego

Utah's Hogle Zoo Mourns the Passing of Sea Lion Diego

Utah's Hogle Zoo is mourning the passing of male California sea lion, Diego.

Diego was diagnosed with degenerative disc disease in 2024, a spinal condition that affected his mobility and caused limited movement in his rear flippers.

Over the past year, Diego's animal care and veterinary teams worked closely to provide ongoing treatments for his degenerative disc disease, including laser therapy, medications, training adjustments, and habitat evaluations to ensure mobility and comfort.

On Oct. 20, 2025, his team observed a sudden decrease in his appetite and behavior, indicating significant discomfort. Despite focused care and treatment in the days that followed, his condition did not improve.

Diego passed away on Oct. 20, 2025.

Author's summary: Utah's Hogle Zoo mourns Diego's passing.

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Standard-Examiner Standard-Examiner — 2025-10-24

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