"My dog, specifically at nighttime, will randomly growl... I was just petting her gently, and she growled. Other nights, we will just simply move, and she will be lying in her crate, and she'll growl.

Head tilting is one of the most endearing ... showing that your dog is trying to understand you. Growling is a dog’s way of communicating discomfort, fear, or aggression. It’s a warning ...