Person images - Joel Sartore

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BEA016-00047

This was once the place where Lewis and Clark first saw a grizzly bear but it is now a corn field. More than 100 years ago the pioneers eradicated the grizzly bear to create farmland.

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BEA016-00043

This was once the place where Lewis and Clark first saw a grizzly bear but it is now a corn field. More than 100 years ago the pioneers eradicated the grizzly bear to create farmland.

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BEA016-00045

This was once the place where Lewis and Clark first saw a grizzly bear but it is now a corn field. More than 100 years ago the pioneers eradicated the grizzly bear to create farmland.

A picture of a member of a banding crew looks for the federally endangered Cape Sable seaside sparrow (Ammospiza maritimus mirabilis). This bird is down to about 2,000 individuals and declining. Nearly all of this species is found within the Everglades National Park in southern Florida.

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A member of a banding crew looks for the federally endangered Cape Sable seaside sparrow (Ammospiza maritimus mirabilis). This bird is down to about 2,000 individuals and declining. Nearly all of this species is found within the Everglades National Park in southern Florida.

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SCE040-00028

The Atlantic Ocean off the Florida Coast.

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ANI019-00266

Hasari, a federally endangered three-year-old cheetah (Acinonyx jubatus) at White Oak Conservation Center.

A critically endangered (IUCN) and federally endangered Santa Catalina Island fox (Urocyon littoralis catalinae). The foxes were trapped for an island-wide population estimate, as well as for vaccinations and various studies.

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ESA002-00006

A critically endangered (IUCN) and federally endangered Santa Catalina Island fox (Urocyon littoralis catalinae). The foxes were trapped for an island-wide population estimate, as well as for vaccinations and various studies.

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ESA002-00004

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SCE051-00268

A man dives deeply among fish by Floreana Island in Galapagos National Park.

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SCE051-00236

Tourists photograph a Nazca booby (Sula granti) in a nesting colony on Espanola Island in Galapagos National Park.

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SCE051-00117

Zodiac boats depart from a cruise ship near Isabela Island in Galapagos National Park.

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SCE051-00048

Tourists on North Seymour, in the Galapagos Islands.

A federally endangered Alabama beach mouse (Peromyscus polionotus ammobates) is captured and measured as part of a population survey along the Fort Morgan Peninsula near Gulf Shores.

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ANI084-00023

A federally endangered Alabama beach mouse (Peromyscus polionotus ammobates) is captured and measured as part of a population survey along the Fort Morgan Peninsula near Gulf Shores.

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PEO024-00095

A young boy laughs while sitting along a stream with his sister near Dunbar, Nebraska.

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PEO024-00025

A teen boy stands on the snowy sidewalk in front of his house.

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PEO024-00026

A teen boy walks along the snowy sidewalk in front of his house.

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ONA013-00024

Expedition members prepare dinner at the campsite on Bioko Island, Equatorial Guinea.

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ONA013-00007

An expedition member stands by a campfire on Bioko Island, Equatorial Guinea.

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ONA013-00008

Expedition members carry equipment to shore on Bioko Island, Equatorial Guinea.

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ONA013-00009

Expedition members carry equipment to shore on Bioko Island, Equatorial Guinea.

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ONA013-00010

Expedition members paddle a boat off shore off the coast of Bioko Island, Equatorial Guinea.

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ONA013-00012

Expedition members talk amongst each other while standing in the rain on Bioko Island, Equatorial Guinea.

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ONA013-00003

An expedition member takes photographs along the coast of Bioko Island, Equitorial Guinea.

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ONA013-00004

An expedition member stands by a camp fire on the coast of Bioko Island, Equatorial Guinea.

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ONA013-00005

An expedition member stands by a campfire on Bioko Island, Equatorial Guinea.

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ONA013-00006

An expedition member stands by a campfire on Bioko Island, Equatorial Guinea.

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SCE042-00200

Holding and releasing a thin-billed prion (Pachyptila belcheri), a type of petrel, a seabird, near Ushaia on the Argentinian mainland.

A Japanese giant salamander (Andrias japonicus) at the San Antonio Zoo, San Antonio, Texas. (IUCN: Near Threatened)

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ANI067-00243

A Japanese giant salamander (Andrias japonicus) at the San Antonio Zoo, San Antonio, Texas. (IUCN: Near Threatened)

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ANI067-00249

A Japanese giant salamander (Andrias japonicus) at the San Antonio Zoo, San Antonio, Texas. (IUCN: Near Threatened)

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ANI067-00250

A Japanese giant salamander (Andrias japonicus) at the San Antonio Zoo, San Antonio, Texas. (IUCN: Near Threatened)

A health exam for whooping crane chicks, (Grus americana), at the International Crane Center. Shown are biologists and veterinarians wearing gray 'sandhill crane' costumes as they examine chicks, take measurements, and give shots. They all wear gray to mimic the colors of a 'bad guy' bird, the sandhill crane. White is worn only when they want to imitate whooper parents in positive situations only.

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BIR051-00124

A health exam for whooping crane chicks, (Grus americana), at the International Crane Center. Shown are biologists and veterinarians wearing gray ‘sandhill crane’ costumes as they examine chicks, take measurements, and give shots. They all wear gray to mimic the colors of a ‘bad guy’ bird, the sandhill crane. White is worn only when they want to imitate whooper parents in positive situations only.