Lena has been very quiet since the sudden loss, according to reports.
Harry, a silverback, was the leader of the Dublin Zoo gorilla troop, Heidi O'Sullivan, a representative for the zoo, told The Dodo. Harry was born in captivity at the Frankfurt Zoo in 1986. He moved to the Dublin Zoo in the fall of 1995, where he met Lena, who would become his companion for the next two decades. During his time in Dublin, Harry fathered two girls and four boys.