Capra aegagrus vs bezoar goat

Capra aegagrus

bezoar goat

noun
  • A wild goat, Capra aegagrus, native to Asia Minor and the Middle East and also found on Crete, now believed ancestral to the domestic goat. 

How often have the words Capra aegagrus and bezoar goat occurred in a corpus of books? (source: Google Ngram Viewer )