Mallard x American Black Duck (hybrid)
Westchester Co., NY, Sep 30-Oct10, 2010-2018
Location
Date
Observer
#
Marshlands Conservancy
2018-10-06 08:00
valerie heemstra
1
Marshlands Conservancy
2017-10-08 15:15
valerie heemstra
1
Fisher Lane (Westchester Co.)
2015-10-11 16:45
George Kappus
1