black woodpecker vs popinjay

black woodpecker

noun
  • A bird of the species Dryocopus martius in the family Picidae. 

popinjay

noun
  • The green woodpecker, Picus viridis. 

  • A parrot. 

  • A target to shoot at, typically stuffed with feathers or plumage. 

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