Joel Sartore Joel Sartore

National Geographic Photographer and Speaker

Keyword: Biologist

Photo: Biologist Terry Spraker (background) and his assistant Brian deLong reach into a Northern fur seal rookery with a pole to retrieve a dead pup for necropsy on St. George Island in Alaska's Pribilof Islands.

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Biologist Terry Spraker (background) and his assistant Brian deLong reach into a Northern fur seal rookery with a pole to retrieve a dead pup for necropsy on St. George Island in Alaska’s Pribilof Islands. Both seal and sea lion populations have declined sharply in recent years due to human overfishing.

Photo: Biologist Terry Spraker reaches into a Northern fur seal rookery with a pole to retrieve a dead pup for necropsy on St.George Island in Alaska's Pribilof Islands.

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Biologist Terry Spraker reaches into a Northern fur seal rookery with a pole to retrieve a dead pup for necropsy on St.George Island in Alaska’s Pribilof Islands. Both seal and sea lion populations have declined sharply in recent years due to human overfishing.

Photo: Biologist Terry Spraker and his assistant Brian deLong examine a female Northern fur seal killed by two males in a rookery on St. George Island in Alaska's Pribilof Islands.

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Biologist Terry Spraker and his assistant Brian deLong examine a female Northern fur seal killed by two males in a rookery on St. George Island in Alaska’s Pribilof Islands. Both seal and sea lion populations have declined sharply in recent years due to human overfishing.

Photo: Biologists hold out their arms so that they look bigger, inorder to discourage a large male Steller sea lion from charging them.

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Biologists hold out their arms so that they look bigger, inorder to discourage a large male Steller sea lion from charging them. (Near Ketchikan, AK.)

Photo: A biologist looks down at the bones of a Steller sea lion in Vancouver Island's Clayoquot Sound (British Columbia, Canada.)

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A biologist looks down at the bones of a Steller sea lion in Vancouver Island’s Clayoquot Sound (British Columbia, Canada.)

Photo: Biologists study a crab-eating fox at the SESC Reserve in Brazil's Pantanal region.

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Biologists study a crab-eating fox at the SESC Reserve in Brazil’s Pantanal region.

Photo: Biologists study a crab-eating fox at the SESC Reserve in Brazil's Pantanal region.

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Biologists study a crab-eating fox at the SESC Reserve in Brazil’s Pantanal region.

Photo: Biologists measure the antlers of a hand-raised moose in Alaska's Kenai NWR.

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Biologists measure the antlers of a hand-raised moose in Alaska’s Kenai NWR.

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

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