Bryan and Cherry Alexander / Inuit hunters trying to stop lead opening using their harpoons. Northwest Greenland, 1977.

Doug Perrine / Traditional subsistence hunters struggle to subdue a harpooned Pacific leatherback sea turtle, (Dermochelys coriacea) a Critically Endangered species, Kei (or Kai) Islands, Moluccas, eastern Indonesia...

Doug Perrine / Leatherback sea turtle (Dermochelys coriacea) is pulled back to the boat after being harpooned by traditional subsistence hunters, Kei ( or Kai ) Islands, Moluccas, eastern Indonesia, Banda Sea, South...

Doug Perrine / Traditional subsistence hunters tie a line around a harpooned Leatherback sea turtle, (Dermochelys coriacea) Kei / Kai Islands, Moluccas, eastern Indonesia, Banda Sea, Southwest Pacific Ocean

Doug Perrine / Leatherback sea turtle (Dermochelys coriacea) restrained by two harpoon lines bleeds after being clubbed over the head by traditional subsistence hunters; Kei ( or Kai ) Islands, Moluccas, eastern Ind...

Tom Gilks / Walrus tusk scrimshaw inscribed with 'Taken in the Arctic Ocean July 22nd 1834' and etched with harpoons.

Bryan and Cherry Alexander / Inuit hunter Jens Danielsen scanning ice of Melville Bay for Polar bears. Northwest Greenland, 1986. 40 BELOW bookplate.

Bryan and Cherry Alexander / Inuit man dressed in Reindeer / Caribou skin clothing while hunting at the floe edge. Igloolik, Nunavut, Canada, 1990. 40 BELOW bookplate.

Bryan and Cherry Alexander / Inuit hunter harpooning Polar bear (Ursus maritimus) in a lead in Melville Bay, Northwest Greenland, 1986. 40 BELOW bookplate.

Bryan and Cherry Alexander / Inuit hunter on new sea ice holding line to Walrus just harpooned. Siorapaluk, Northwest Greenland. 40 BELOW bookplate.

Bryan and Cherry Alexander / Yupik Eskimo seal hunting at the floe edge in Tkachen Bay. Chukotskiy Peninsula, Chukotka, Siberia, Russia, 2010

Bryan and Cherry Alexander / Yupik Eskimo hunter seal hunting at the floe edge in Tkachen Bay. Chukotskiy Peninsula, Chukotka, Siberia, Russia, 2010