This Pileated Woodpecker stay in this position for awhile with no movement we could see.
Finally it seemed to wake up and took off. So apparently it wasn't injured.
Canon EOS 70D
,Canon 100mm f/4.5 - 400mm f/5.6 L IS II,Digital 1/1600s f/5.6 at 400.0mm iso320
full exif