Watch and take notes C/F Canine/Feline (But answer with the single letter) NOTE: The Canine type does not apply to all dogs! Some dogs have been bred so much, their muzzles have been contorted.
I got the pictures from https://hollyandhugo.com/blog/how-to-read-cat-communication-signals/ and http://www.nationalgeographic.com/animals/mammals/g/gray-wolf/