northern raccoon vs procyonid

northern raccoon

noun
  • A mammal of the species Procyon lotor, native to North America. 

procyonid

noun
  • Any member of the family Procyonidae, a New World family of the order Carnivora, including the raccoons, coatis, kinkajous, olingos, ringtails and cacomistles. 

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