ST. LOUIS, Aug. 8 (UPI) -- An 18-year-old sea lion who was star of the St. Louis Zoo's sea lion show died during a veterinary exam, a zoo official says.
Dr. Eric Miller, the zoo's vice president of zoological operations, said the death of Alex the sea lion Friday marked the fourth animal death at the tourist site this year, all of which have attracted media attention, the St. Louis Post-Dispatch reported Saturday.