Doberman Pinscher dog follows laser pointer to teen boy's crotch and then bites boy in the groin. Short tails. Practical joke. Short heads & tails.
Three black ducks follow laser pointer light on driveway
"Laser Chasers" Great Dane dog chases laser pointer across the floor. Tot boy chases light as well.
Brown and white dog carries laser pointer in its mouth, chases it around house.
Big spider follows a laser light on the wall.