Stack images - Joel Sartore

Several stacks of copper pennies.

A curious boy looks at slides in his father’s office.

Each year, Knight’s Taxidermy in Anchorage, Alaska, processes more than 200 brown bear pelts.

“A fed bear is a dead bear” is the motto of bear biologists who warn of more bears being killed as people continue to encroach upon bear habitat.

“A fed bear is a dead bear” is the motto of bear biologists who warn of more bears being killed as people continue to encroach upon bear habitat.

“A fed bear is a dead bear” is the motto of bear biologists who warn of more bears being killed as people continue to encroach upon bear habitat.

National Geographic Photographer and Speaker