Joel Sartore Joel Sartore

National Geographic Photographer and Speaker

Keyword: knob-billed duck

Picture of a South-American comb duck (Sarkidiornis sylvicola) at Sylvan Heights Bird Park.

Photo

BIR060-00165

A South-American comb duck (Sarkidiornis sylvicola) at Sylvan Heights Bird Park.

Picture of South-American comb ducks (Sarkidiornis melanotos sylvicola) at Sylvan Heights Bird Park.

Photo

BIR060-00166

South-American comb ducks (Sarkidiornis melanotos sylvicola) at Sylvan Heights Bird Park.

Picture of a South-American comb duck (Sarkidiornis melanotos sylvicola) at Sylvan Heights Bird Park.

Photo

BIR060-00167

A South-American comb duck (Sarkidiornis melanotos sylvicola) at Sylvan Heights Bird Park.

Picture of a South-American comb duck (Sarkidiornis melanotos sylvicola) at Sylvan Heights Bird Park.

Photo

BIR060-00168

A South-American comb duck (Sarkidiornis melanotos sylvicola) at Sylvan Heights Bird Park.

Picture of South-American comb ducks (Sarkidiornis melanotos sylvicola) at Sylvan Heights Bird Park.

Photo

BIR060-00176

South-American comb ducks (Sarkidiornis melanotos sylvicola) at Sylvan Heights Bird Park.

Picture of a female knob-billed duck (Sarkidiornis melanotos melanotos) at the Caldwell Zoo in Tyler, Texas.

Photo

BIR032-00332

A female knob-billed duck (Sarkidiornis melanotos melanotos) at the Caldwell Zoo in Tyler, Texas.

Picture of a female knob-billed duck (Sarkidiornis melanotos melanotos) at the Caldwell Zoo in Tyler, Texas.

Photo

BIR032-00333

A female knob-billed duck (Sarkidiornis melanotos melanotos) at the Caldwell Zoo in Tyler, Texas.

Picture of a female knob-billed duck (Sarkidiornis melanotos melanotos) at the Caldwell Zoo in Tyler, Texas.

Photo

BIR032-00330

A female knob-billed duck (Sarkidiornis melanotos melanotos) at the Caldwell Zoo in Tyler, Texas.

Picture of a female knob-billed duck (Sarkidiornis melanotos melanotos) at the Caldwell Zoo in Tyler, Texas.

Photo

BIR032-00331

A female knob-billed duck (Sarkidiornis melanotos melanotos) at the Caldwell Zoo in Tyler, Texas.

Photo: Julie Jensen Director of Marketing | WVC O: 866.800.7326 | D: 702.443.9249 | E: j.jensen@wvc.org

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