Custom Sprites (Looking for feedback and criticism)

I am still practicing making custom sprites and am still wet around the ears. I made a handful of creatures (Wolves, Bears, Boars, and even a Domestic Pig) and now I feel like I should revisit them to see if I can do them better within the same constraints of a 32x32 sprite area. I redid the Boar first. I have a before and after, but am not sure how I like the front face of the new boar...any feedback, suggestions, or otherwise would be appreciated. Thanks in advance. (Will be posting my creations here for now on.)