Joyful very little puppies are popular punchlines in Hollywood. In “There’s A thing About Mary,” an irritating Border Terrier is consistently wounded as the people engage in slapstick antics, right up until the pet requires a total body solid. In the reside-action “Scooby-Doo” movie, the diminutive Scrappy-Doo was so obnoxious that the relaxation of the team in the long run casts him out. Outside of the globe of cinema, comedian sketches mocking stars who carry Chihuahuas in their purses extra frequently than not remark on the dogs’ vocal actions.

But are tiny canines truly ankle-biting annoyances, or do they get a undesirable rap? And regardless of which remedy is correct, does the clarification for their stereotyped nervous behavior rest in nature or nurture?

“It could be a genetic association with compact human body sizing,” Dr. James Serpell, an animal habits qualified at the University of Pennsylvania, told Salon by