Potos caudivolvulus vs kinkajou

Potos caudivolvulus

kinkajou

noun
  • Potos flavus, a carnivorous mammal of Central America and South America with a long, prehensile tail, related to the raccoon. 

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