By howling, your dog is trying to acknowledge that they hear the sound and are ready to respond. This type of howling usually starts when the dog hears the trigger sound and stops when the sound does.

To a dog’s sensitive ears, sirens might mimic the sound of another dog howling. This could explain why your pup feels compelled to “answer” the sound. Pretty cute, if a little annoying at times.

But the long, doleful sound your dog makes on occasion ... what matters most is the context in which howling is more likely ...