[Length 23 in. Wingspan 35 in.]

This American Black Duck was photographed at the Shark River Marina in Belmar, New Jersey, USA. Photo taken with a Nikkor 300mm ED f4.5 lens on Ektachrome 200 film pushed to 800. (Date: February 1981)

[Length 23 in. Wingspan 35 in.]

This American Black Duck in flight was photographed at Sandy Hook, New Jersey, USA. Photo taken with a Nikkor 300mm EDAF f4.0 lens on Kodachrome 200 film. (Date: November 1989)

[Length 23 in. Wingspan 35 in.]

This American Black Duck was photographed on Nantucket Island, Rhode Island, USA. Photo taken with a Nikkor 300mm ED f4.5 lens on Kodachrome 64 film. (Date: August 1983)

[Length 23 in. Wingspan 35 in.]

This American Black Duck was photographed on Nantucket Island, Rhode Island, USA. Photo taken with a Nikkor 300mm ED f4.5 lens on Kodachrome 64 film. (Date: August 1983)

[Length 23.5 in. Wingspan xx in.]

This Spot-billed Duck was photographed in a small pond on the grounds of the Meiji Shrine in Tokyo, Japan. Photo taken with a Nikkor 300mm EDAF f4.0 lens on Kodachrome 200 film. (Date: January 1996)

[Length 16.5 in. Wingspan 26 in.]

Harlequin Ducks occur in northern North America and northeastern Asia. In North America they breed in central Alaska, western and northeastern Canada, and the northwestern US. They winter along the west coast south to central California and along the east coast to New Jersey, where small numbers winter every year. This male Harlequin Duck was photographed at the Le Hardy Rapids boardwalk, Yellowstone National Park, Wyoming, USA. Photo taken with a AF-S VR Nikkor 300mm f/2.8G IF-ED lens + Nikkor TC17E II 1.7x Teleconverter on a Nikon D7100 camera. (Date: June 15, 2016)

[Length 16.5 in. Wingspan 26 in.]

This male Harlequin Duck was photographed at the Le Hardy Rapids boardwalk, Yellowstone National Park, Wyoming, USA. Photo taken with a AF-S VR Nikkor 300mm f/2.8G IF-ED lens + Nikkor TC17E II 1.7x Teleconverter on a Nikon D7100 camera. (Date: June 15, 2016)

[Length 16.5 in. Wingspan 26 in.]

This brilliant male was photographed at Sandy Hook, New Jersey, USA. Photo taken with a 300mm f4.0 Nikkor EDAF lens on Kodachrome 200 film. (Date: March 1996)