Joel Sartore Joel Sartore

National Geographic Photographer and Speaker

Red knot (Calidris canutus ssp. rufa), a candidate species for listing due to a rapid decline in population. The bird is dependent on one food during it's northward migration: horseshoe crab eggs. Overfishing of the crabs has led a dramatic the decline of both knots and crabs. This bird was captured as part of a banding study by the Delaware Bay Shorebird Project.

ESA001-00116

A red knot (Calidris canutus rufa) in Gandys Beach, New Jersey.

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