“Possessed!”

Here’s a Great Blue Heron acting as if it was trying to regurgitate something.  Maybe it had just eaten something it didn’t like??   He returned to being a normal heron a few minutes later.  Taken at the Ridgefield NWR, Nov. 13, 2018.

Canon 5D Mark III, 1/1250, f4, ISO 1250, 500mm, 2:52 p.m.