Patte de Loup
How to Draw Dog Ears Step 1 The ancestor of dogs, a wolf, has pointed ears, and they still can be found in many breeds. They're quite easy to draw. The more hairy the dog, the more fluffy the ears (compare a German Shepherd and Alaskan Malamute).
Canine v Feline Chest Anatomy Tutorial by *Daesiy on deviantART
Howling wolf or coyote
Agression vs Fear in Wolves cheat sheet: Snarls by KFCemployee on DeviantArt
Différences entre un loup et un léopard
Wolf Anatomy - Part 1 by Autlaw.deviantart.com on @deviantART