black vulture vs broadwing

black vulture

noun
  • A north African and Eurasian vulture species, Aegypius monachus. 

  • An American vulture species, Coragyps atratus, with black plumage. 

broadwing

noun
  • In falconry, a bird of prey of the buzzard or eagle type, having long wings and long flight feathers. 

How often have the words black vulture and broadwing occurred in a corpus of books? (source: Google Ngram Viewer )