Subscribe | UPI Odd Newsletter Subscribe Sept. 20 (UPI) -- Visitors to a zoo in Virginia were treated to an unexpected view into nature when a giraffe on exhibit unexpectedly gave birth. The Virginia Zoo in Norfolk said Imara, a Masai giraffe, unexpectedly gave birth Friday in the facility's giraffe barn, where she was on display to the public. Advertisement The zoo said the female calf weighed 122.5 pounds at birth and stood about 6 feet tall. The calf was dubbed Tisa, the Swahili word for "nine," due both to her being born on Sept. 9 and her being Imara's ninth calf. Read More Police warn of alligator sighting in Wisconsin park Unexpected detour during potato chip run leads to $100,000 lottery win Lost diamond ring returned by stranger weeks later