A dog hears a siren going off and does his best attempt at imitating it.
A dog hears some wolves in the distance and joins in.
This guy's dog saw the wolf sanctuary video and went nuts!
These two dogs duel it out with who can howl louder and longer.
This dog lets his owner know when there's a fire!
The dog was getting annoyed.
This guy uses his iPad and an auto tune app while his dog howls.
This dogs motherly instincts kick in and she starts howling to the baby to calm him down. Cute!