hornbill

noun

Etymology: From horn + bill.

1. Any of various birds of the family Bucerotidae, with bills resembling a cow's horns. Many species have a casque above the bill, and many imprison their young in a tree.

   “I saw what they were, hornbills, white head with a black streak of feather on top, a long grey tail, and a huge red beak that curved down, bigger than his head.”