What is claimed is the ornamental design for an animal muzzle, as shown and described.
FIG. 1 is an isometric view of the front of the animal muzzle and a portion of the interior of the animal muzzle;
FIG. 2 is an isometric view of the back of the animal muzzle and a portion of the end of the animal muzzle;
FIG. 3 is an isometric view of a portion of the interior of the animal muzzle and a portion of the back of the animal muzzle;
FIG. 4 is an isometric view of the end of the animal muzzle and a portion of the front and right side of the animal muzzle, with the left side being a mirror image of the right side;
FIG. 5 is an isometric view of the front of the animal muzzle;
FIG. 6 is a front side view of the animal muzzle; and,