Nearly 20-year-old Amur Tiger Dies at St. Louis Zoo

ST. LOUIS (AP) — The St. Louis Zoo announced Friday that a nearly 20-year-old Amur tiger named Kalista has died. The zoo said in a statement that Kalista had been under treatment for age-related degenerate joint disease for several years. She was euthanized last weekend when medical treatment was not sufficient to keep her comfortable…