WASHINGTON (7News) — D.C.’s Smithsonian National Zoo is mourning the loss of Shera, a 21-year-old African lioness who was euthanized following a recent decline in mobility and health.
Zoo officials said Shera was humanely euthanized on May 7 after animal care teams determined her age-related medical conditions were worsening and affecting her quality of life.
At 21, Shera was one of the two oldest living lions in zoos accredited by the Association of Zoos and Aquariums.
Zoo officials said African lions in human care typically live around 17 years.
Veterinarians had been treating Shera for several chronic conditions common in elderly lions, including liver and kidney disease, muscle loss, and osteoarthritis.
In recent weeks, staff noticed that Shera had become weaker, slower, and less stable as she moved through her habitat.
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Officials said concerns grew about her ability to safely navigate stairs, rocks, and other areas of the exhibit.
Animal care staff described Shera as the “queen bee” of the zoo’s Great Cats exhibit.
Keepers said she formed strong bonds with staff, especially later in life, after some of her cubs moved to other zoos.
“She watched the group during staff meetings and chimed in with roars,” assistant curator Leigh Pitsko said.
Born in South Africa in 2004, Shera arrived at the National Zoo in 2006 as part of a breeding recommendation through the Species Survival Plan program.
Alongside her mate Luke, Shera helped produce two litters of cubs, contributing to the conservation of African lions in North America.
Zoo officials said Shera, Luke, and her sister Nababiep helped produce 13 cubs, and today the trio has nearly 50 descendants living in zoos across the country.
Visitors can still see Shera and Luke’s sons, Shaka and Jumbe, at the zoo and on the Lion Cam.
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