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Photos 1-5: Male. 6th photo: Female. Sexes are similar, but the female is smaller, with some white facial markings and/or a small knob at the forehead, while the male is particularly crisply coloured in the breeding season, his bill bright red and bearing a prominent knob at the forehead.
Tidal marsh in river estuary.
Spotted on Feb 14, 2017
Submitted on Feb 15, 2017