The Smithsonian’s National Zoo announced that Nhi Linh, a 12-year-old Asian elephant, is pregnant, marking the possibility of the zoo’s first elephant calf birth in nearly 25 years.The calf will join Nhi Linh, Spike, and a herd including Bozie, Swarna, and Maharani, with the zoo emphasizing hope for Asian elephants and plans to provide updates as the due date approaches.