sentence: Prairie dogs employ a complex form of communication that involves barks and rhythmic chirps.
sentences_before: Prairie dogs are social animals, and often make social visits with each other, and greet each other with a sort of kiss. Mondadori, Arnoldo Ed. Great book of the animal kingdom.
sentences_after: 2 Feb. 2010.
concept_name: prairie dog
headings: Prairie dog Biology and behavior
categories: Squirrels