BIR032-00333

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

This photo © Joel Sartore 2022. Image usage guidelines

This photo is part of the Photo Ark.

Buy This Print Stock Inquiry

Joel is a popular keynote speaker with conservation, corporate, and civic groups.

Hire him to entertain and inspire your audience.

Joel is the founder of the Photo Ark, a groundbreaking effort to document every species in captivity before it’s too late.

Every purchase goes directly to support our mission: getting the public to care and helping to save species from extinction.