This little Chihuahua just found his howl, and his reaction to the adorable new sound is melting hearts everywhere.

Some dogs get really fired up and excited when they hear it's time for bed, while others are more mellow, already on their way to relaxing. Our dog even puts herself to bed sometimes if we stay up ...

Add Yahoo as a preferred source to see more of our stories on Google. Parade Pets and Yahoo may earn commission from links in this article. Parents to humans know that even before babies can talk, ...