Here's a complete body image of the tame Pileated Woodpecker. This is the only angle I could get to align myself with an evergreen to give me a nice green BG...every other angle was tangles of leafless tree limbs against white sky. Luckily, as it turns out, it was probably the best angle I could ask for! It was pretty actively chopping on the tree - the challenge was to get the head at a good angle. Most of the time that it stopped for a little second it was angled slightly away. A couple of times it did give me a proper HA.
Canon 7D + 500mm f/4 II, manual exposure, evaluative metering, 1/500s., f/5.6, ISO 800, natural light, full frame, a thin oof branch removed from the BG, darkened the blacks on the back and face, added cyans to the reds and desaturated them too on the crown.