 Gandalf believed that Beorn was either a descendant of the bears who had lived in the Misty Mountains before the arrival of the giants, or he was a descendant of the men who had lived in the region before the arrival of the dragons or Orcs from the north.Beorn was of immense size and strength for a man and retained his size and strength in bear-form.He had black hair (in either form) and a thick black beard and broad shoulders (in human form).