Kristel Richard / A traditionally dressed Crow Indian man rides a quarter horse during the parade at the annual Indian Crow Fair, Crow Agency, near Billings, Montana, USA, August 2011

Christian Ziegler / Embara Indian man with collected plants used for medical purposes, Chagres River, Barro Colorado Island, Panama

Charlie Summers / Tlingit (Southeast Alaskan Native American) carving on the side of the Clan House. Bight Totem State Park, Ketchikan, Alaska, July 2011.

Ingo Arndt / Pueblo or Anasazi Indian cliff dwellings built around 1060 AD, White House Ruins, Canyon De Chelly National Monument, Arizona

Ingo Arndt / Pueblo or Anasazi Indian cliff dwellings built around 1060 AD, White House Ruins, Canyon De Chelly National Monument, Arizona

Matthew Maran / A sign warning hikers about tribal reserve lands. The West Coast Trail, Pacific Rim National Park, Vancouver Island, Canada, September 2010.

Flip Nicklin / Temporary hunting camp on ice floe, Admiralty Inlet Arctic Bay, Canada

Konrad Wothe / Cranwell's Horned Frog (Ceratophrys cranwelli), native to South America

Konrad Wothe / Bald Eagle (Haliaeetus leucocephalus) calling, native to North America

Pete Oxford / Amerindian woman, Winifred Brown, model released, using a Matape to strain liquid from mashed Cassava to make Cassava flour, Katoka, Rupununi, Guyana, South America, February 2010

Pete Oxford / Amerindian woman, Winifred Brown, model released, making Cassava bread, throwing it onto roof to dry, Katoka, Rupununi, Guyana, February 2010

Pete Oxford / Amerindian woman, Winifred Brown, model released, making Cassava bread, Katoka, Rupununi, Guyana, February 2010

Pete Oxford / Amerindian woman making Cassava bread, Apoteri, Rupununi, Guyana, February 2010

Pete Oxford / Macushi woman preparing cassava bread from Cassava / Yuca (Manihot esculenta), crop is harvested, peeled, grated, squeezed to a matape, sieved, and roasted into a large flat piece of bread, Fairview...

Pete Oxford / Macushi woman preparing cassava bread from Cassava / Yuca (Manihot esculenta), crop is harvested, peeled, grated, squeezed to a matape, sieved, and roasted into a large flat piece of bread, Fairview...

Pete Oxford / Macusha woman and children preparing cassava bread from Cassava / Yuca (Manihot esculenta), crop is harvested, peeled, grated, squeezed to a matape, sieved, and roasted into a large flat piece of bre...

Pete Oxford / Macushi woman preparing cassava bread from Cassava / Yuca (Manihot esculenta), crop is harvested, peeled, grated, squeezed to a matape, sieved, and roasted into a large flat piece of bread, Fairview...

Pete Oxford / Macushi woman preparing cassava bread from Cassava / Yuca (Manihot esculentus), crop is harvested, peeled, grated, squeezed to a matape, sieved, and roasted into a large flat piece of bread, Fairview...

Pete Oxford / Macushi woman preparing cassava bread from Cassava / Yuca (Manihot esculenta), crop is harvested, peeled, grated, squeezed to a matape, sieved, and roasted into a large flat piece of bread, Fairview...

Pete Oxford / Macushi woman weaving split cane at the Fairview Amerindian village, Iwokrama Reserve, Guyana, July 2009

Pete Oxford / Macushi girl from Fairview Amerindian village, Iwokrama Reserve, Guyana, July 2009

Pete Oxford / Macushi boy from Fairview Amerindian village, Iwokrama Reserve, Guyana, July 2009

Pete Oxford / Amerindian timber harvest, Mapari, Rupununi, Guyana

Pete Oxford / Fish dried by Macushi people, Yupukari Village, Rupununi, Guyana

Pete Oxford / Fish dried by Macushi people, Yupukari Village, Rupununi, Guyana

Pete Oxford / Fish dried by Macushi people, Yupukari Village, Rupununi, Guyana

Pete Oxford / Palm leaves used for thatch by Macushi people, Yupukari Village, Rupununi, Guyana

Pete Oxford / Giant River Otter (Pteronura brasiliensis) playing with Macushi boy, Karanambu Trust for re-introduction, Rupununi, Guyana

ZSSD / Greater Flamingo (Phoenicopterus ruber) parent brooding chick, native to Africa

ZSSD / Greater Flamingo (Phoenicopterus ruber) parent brooding chick, native to Africa

ZSSD / North American River Otter (Lontra canadensis) on the lookout, native to North America

Pete Oxford / Pacific Horned Frog (Ceratophrys stolzmanni), native to the coastal region of Ecuador

Pete Oxford / Pacific Horned Frog (Ceratophrys stolzmanni), native to the coastal region of Ecuador

Rob Tilley / Petroglyphs, Newspaper Rock, Utah, USA, October 2009

Rob Tilley / Petroglyphs, Newspaper Rock, Utah, USA, October 2009

Rob Tilley / Petroglyphs on cliff near Colorado River, Moab, Utah, USA, January 2008

Rob Tilley / Petroglyphs on cliff near Colorado River, Moab, Utah, USA, January 2008

Matthias Breiter / Tlingit Totem Pole at Saxman Native Village, Ketchikan, Alaska

Matthias Breiter / Tlingit totem pole and longhouse at Saxman Native Village, Ketchikan, Alaska

David Tipling / Native american Pueblo Macaw petroglyph, Petroglyph National Monument, Albuqurque, New Mexico, USA

David Tipling / Native american Pueblo Hummingbird petroglyph, Petroglyph National Monument, Albuqurque, New Mexico, USA

Pete Oxford / Ingapirca Ruins and Canari Indian climbing stairway, Andes, Ecuador

Rob Tilley / Ladder leading to cliff dwelling of the ancient native american Pueblo people, Bandelier National Monument, New Mexico, USA, February 2009

Rob Tilley / Ruined dwellings of the ancient native american Pueblo people, Bandelier National Monument, New Mexico, USA, February 2009

Rob Tilley / Spruce Tree House, ancient native american Pueblo dwellings, Mesa Verde NP, Colorado, USA, February 2009

Rob Tilley / Doorway / window in ancient ruins of Pueblo Bonito at dawn, dwelling of the native american Pueblo people, Chaco Culture National Historical Park, New Mexico, USA, February 2009

Rob Tilley / Spruce Tree House, ancient native american Pueblo dwellings, Mesa Verde NP, Colorado, USA, February 2009

Rob Tilley / Window / Doorway in ancient ruins of Pueblo del Arroyo, dwelling of the native american Pueblo people, Chaco Culture National Historical Park, New Mexico, USA, February 2009

Rob Tilley / Cliff dwellings of the ancient native american Pueblo people, Bandelier National Monument, New Mexico, USA, February 2009

Rob Tilley / Enchanted Mesa, sandstone butte that was home to the native american Acoma tribe people, Acoma Pueblo, New Mexico, USA, February 2009

Rob Tilley / Native American rock engraving from around 1000 to 1400 AD, Three Rivers Petroglyph NRA, New Mexico, USA, February 2009

Rob Tilley / Cliff dwellings of the ancient native american Pueblo people, Bandelier National Monument, New Mexico, USA, February 2009

Rob Tilley / Spruce Tree House, ancient native american Pueblo dwellings, Mesa Verde NP, Colorado, USA, February 2009

Rob Tilley / Native American rock engraving from around 1000 to 1400 AD, Three Rivers Petroglyph NRA, New Mexico, USA, February 2009

Rob Tilley / Spruce Tree House, ancient native american Pueblo dwellings, Mesa Verde NP, Colorado, USA, February 2009

Rob Tilley / Acoma Pueblo, Sky City Mesa, the oldest continuously inhabited village in North America, dating back to the ancient native american Pueblo people, New Mexico, USA, February 2009

Rob Tilley / Enchanted Mesa, sandstone butte that was home to the native american Acoma tribe people, Acoma Pueblo, New Mexico, USA, February 2009

Scott Leslie / Native American burial mound from the Maritime Archaic, Labrador, Canada

Philippe Clement / Basswood / American linden / Lime-tree (Tilia americana) leaf in autumn colours, native to eastern North America

Philippe Clement / Paper / American white / Canoe birch (Betula papyrifera) leaf in autumn colour, native to northern North America

Philippe Clement / American Sweetgum / Redgum (Liquidambar styraciflua) leaf in autumn colours, native to North America

Philippe Clement / Paper / American white / Canoe birch (Betula papyrifera) leaves in autumn colours showing colour change, native to northern North America

Philippe Clement / American Sweetgum / Redgum (Liquidambar styraciflua) leaf, native to North America

Philippe Clement / Paper / American white / Canoe birch (Betula papyrifera) leaf in autumn colour, native to northern North America

Philippe Clement / American Sweetgum / Redgum (Liquidambar styraciflua) leaves in autumn colours, native to North America

Philippe Clement / Basswood / American linden / Lime-tree (Tilia americana) leaves in autumn colours, native to eastern North America

Philippe Clement / American sycamore / American plane / Occidental plane / Buttonwood (Platanus occidentalis) leaf in autumn colours, native to North America

ZSSD / Greater Flamingo (Phoenicopterus ruber) parent feeding chick, native to Africa and Europe

John Cancalosi / Native american Hopi girl from the Hopi Reservation, Arizona, USA, dressed in costume for "social dance", model released

John Cancalosi / Native american Hopi boy from the Hopi Reservation, Arizona, USA, dressed in costume for "social dance", model released

John Cancalosi / Native american Hopi girl from the Hopi Reservation, Arizona, USA, dressed in costume for "social dance", model released

John Cancalosi / Native american Hopi girl from the Hopi Reservation, Arizona, USA, dressed in costume for "social dance", model released

Kevin Schafer / Brazilian Tapir (Tapirus terrestris) feet, native to Brazil

Michael Quinton / Pine Marten (Martes martes), native to Europe

Konrad Wothe / South American Squirrel Monkey (Saimiri sciureus) portrait, native to South America

Shattil & Rozinski / Native american wearing traditional costume with wolf skin, riding Appaloosa horse, Colorado, USA. Model released

Shattil & Rozinski / Native american wearing traditional costume with wolf skin, riding Appaloosa horse, Colorado, USA. Model released

David Kjaer / American Mink (Mustela vison) Captive, Native North American UK population from escapes and releases from Mink Farms, UK

David Kjaer / American Mink (Mustela vison) Captive, Native North American UK population from escapes and releases from Mink Farms, UK

Albert Lleal / Ornate Horned Frog (Ceratophrys ornata) skin, native to Argentina

Albert Lleal / Ornate Horned Frog (Ceratophrys ornata) eye, native to Argentina

Luciano Candisani / Brazil Nut (Bertholletia excelsa) harvest collected by young Native Amazonian boy, Cajari River Ecological Reserve, Brazil

Luciano Candisani / Acai Palm (Euterpe sp) fruit being transported in boat by Native Amazonian, Cajari River Ecological Reserve, Brazil

Luciano Candisani / Amazonian Manatee (Trichechus inunguis) hunting equipment, illegal activity still practiced for sustenance, Rio Negro, Amazon, Brazil

Luciano Candisani / Amazonian Manatee (Trichechus inunguis) hunter, an illegal activity still practiced for sustenance, Rio Negro, Amazon, Brazil

Mark Moffett / Embera Choco Indian making a blowgun for hunting with poisoned darts, Colombia

Mark Moffett / Embera Choco Indian making a blowgun for hunting with poisoned darts, Colombia

Mark Moffett / Embera Choco Indians capture highly toxic Golder Poison Frog (Phyllobates terribilis) with which to poison darts for hunting, Colombia

ZSSD / Greater Flamingo (Phoenicopterus ruber) porrait, native to South America, Asia and Africa

ZSSD / Greater Flamingo (Phoenicopterus ruber) parent interacting with chick, native to the Caribbean

ZSSD / American Alligator (Alligator mississippiensis) portrait, native to southern United States

Niall Benvie / Native American rock carvings in Zion National Park, Utah, USA 2006

Niall Benvie / Native American rock carvings in Zion National Park, Utah, USA 2006

Tim Fitzharris / Hovenweep Castle at Little Ruin Canyon on sandstone cliff, Hovenweep National Monument, Utah

Tim Fitzharris / Hovenweep Castle at Little Ruin Canyon on sandstone cliff, Hovenweep National Monument, Utah

Tim Fitzharris / Hovenweep Castle at Little Ruin Canyon, Hovenweep National Monument, Utah