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lejun | all galleries >> Birding Texas: Southwest and Coastal Regions - January 2014 > Mottled Ducks (Female and Male)
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Mottled Ducks (Female and Male)
28-JAN-2014 Lejun

Mottled Ducks (Female and Male)

Copyright Lewis Scharpf

Anas fulvigula
Adult Female (Olive drab to orange bill): Left
Adult Male (Bright Yellow Bill): Right
Distinguished from the American Black Duck (A. rubripes) by black spot on gape.
This species is closely related to the Mallard Duck (A. platyrhynchos)
It is in danger of being displaced to introduced Mallards,
primarily due to hybridization.
Aransas National Wildlife Refuge
Port Aransas, Texas

Nikon D800 ,AF-S VR II NIKKOR 300mm f/2.8G IF-ED
1/320s f/9.0 at 600.0mm iso2500 full exif

other sizes: small medium large original