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Calgary Zoo announces pregnancy of Dossi, an endangered western lowland gorilla
Zoo officials say 25-year-old Dossi is 16 to 17 weeks pregnant and due early next year, aiding conservation of a critically endangered species.
On Thursday, Sept 24, 2026, The Wilder Institute/Calgary Zoo announced that 25-year-old Dossi is expecting a baby early in the new year, marking a milestone on World Gorilla Day.
Western lowland gorillas face significant threats from poaching, habitat loss, and disease, making them critically endangered; the Zoo participates in a species survival plan to ensure their future.
Zoo officials report that Dossi is approximately 16 to 17 weeks pregnant and doing well, with Jasiri, the only male western lowland gorilla at the Zoo, identified as the father.
Expanding the troop represents a significant development for the Calgary Zoo, bolstering the population of this critically endangered species within managed care.
Staff at The Wilder Institute continue monitoring Dossi closely throughout her pregnancy, with efforts focused on ensuring long-term survival of the species.