scops owl vs screech owl

scops owl

noun
  • Any owl of the Old World genus Otus. 

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

screech owl

noun
  • Any New World owl of genus Megascops. 

  • A common barn owl, of species Tyto alba, found almost worldwide. 

  • The mistle thrush (Turdus viscivorus). 

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