Crab for dinner
Crabs are powerful crustaceans and can give anyone a nasty nip. Eider Ducks, or Dunters as they are known here in Orkney, seem to be able to avoid all damage.
This one was grabbing a leg, shaking vigorously, so it was ripped from the body, and grabbing it again and repeating until only the body was left.
Each makes a substantial meal.