common bullfinch vs painted bunting

common bullfinch

noun
  • A small bird, the Eurasian bullfinch (Pyrrhula pyrrhula). 

painted bunting

noun
  • A brightly-colored finch (Passerina ciris) of the southern United States 

  • Smith's longspur (Calcarius pictus). 

How often have the words common bullfinch and painted bunting occurred in a corpus of books? (source: Google Ngram Viewer )