great horned owl vs scops owl

great horned owl

noun
  • A large owl, Bubo virginianus, resident in North America, having tufts on its ears. 

scops owl

noun
  • Any owl of the Old World genus Otus. 

  • A small European migratory owl, Otus scops, that winters in sub-Saharran Africa. 

How often have the words great horned owl and scops owl occurred in a corpus of books? (source: Google Ngram Viewer )