鴨 - wild duck, easy mark

duck

domestic duck

mallard (Anas platyrhynchos); mallard duck

to easily defeat; to eat (one's opponent) alive

common shelduck (Tadorna tadorna)

duck hunting reserve

duck hunting

Eurasian wigeon (Anas penelope)

northern pintail (Anas acuta)

green-winged teal (species of duck, Anas crecca)

falcated teal (Mareca falcata); falcated duck

to easily attain victory