owl vs screech owl

owl

noun
  • An owl pigeon. 

  • A person seen as having owl-like characteristics, especially appearing wise or serious, or being nocturnally active. 

  • Any of various birds of prey of the order Strigiformes that are primarily nocturnal and have forward-looking, binocular vision, limited eye movement, and good hearing. 

  • Any of various nymphalid butterflies, especially in the genus Caligo, having large eyespots on the wings. 

  • A politician with moderate views that are neither hawkish nor dovish. 

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 owl and screech owl occurred in a corpus of books? (source: Google Ngram Viewer )