Cincinnati Zoo's 16-year-old silverback gorilla dies

CINCINNATI — Officials at the Cincinnati Zoo say a 16-year-old gorilla has died.The zoo says in a Facebook post that the female silverback, Anju, died from heart failure Wednesday.Zoo officials say they noticed the gorilla becoming lethargic and gaining weight in late November. An ultrasound showed Anju was suffering from a congenital, terminal heart condition.Primate curator Ron Evans says the gorilla has a 2-year-old daughter, Elle. He says young gorillas typically stay with their mother