Four observations made in Jackson Hole, Wyoming, indicate that coyote–badger associations are best considered as phoretic (accidental and nonobligatory) rather than a form of social symbiosis as has been previously suggested.
Lehner, Philip N.
Great Basin Naturalist: Vol. 41
, Article 14.
Available at: http://scholarsarchive.byu.edu/gbn/vol41/iss3/14