peregrine vs peregrine hawk

peregrine

noun

  • The peregrine falcon. 

adj

  • Wandering, travelling, migratory. 

  • Lacking essential debility. 

  • Not native to a region or country; foreign; alien. 

  • Extrinsic or from without; exotic. 

peregrine hawk

noun

  • The peregrine falcon. 

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