Mallard
Anas platyrhynchos
 (L 23" WS 35" WT 2.4 lb)
Found throughout No Amer. and Eurasia
...have given rise to several species.
female
female
Note dark center
on female bill.
Morton Arboretum
14Mar2009
Columbus Park, Chicago
15Apr2012
09Sept2009
Thatcher Woods, IL
29Jul07