Close-up images - Joel Sartore

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ANI014-00178

A Jamaican fruit bat (Artibeus jamaicensis) at the Houston Zoo.

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BIR049-00146

A vesper sparrow (Pooecetes gramineus) at the Iowa Bird Rehabilitation.

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BIR049-00145

A vesper sparrow (Pooecetes gramineus) at the Iowa Bird Rehabilitation.

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INV005-00079

A Mane crayfish (Procambarus lophotus) collected in Georgia, by the West Liberty University Crayfish Conservation Lab.

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BEA020-00049

A federally threatened grizzly bear (Ursus arctos horribilis) at Sedgwick County Zoo.

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BIR035-00088

A Chilean flamingo chick’s feet (Phoenicopterus chilensis) at Houston Zoo.

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ANI106-00204

An adult female Common Marmoset (Callithrix jacchus) named Liilu and her three-month old baby named Marshmallow at the University of Nebraska, Omaha.

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ANI106-00202

An adult female Common Marmoset (Callithrix jacchus) named Liilu at the University of Nebraska, Omaha.

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ANI106-00199

A white-faced marmoset (Callithrix geoffroyi) named Spanky at the University of Nebraska, Omaha.

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ANI106-00197

A white-faced marmoset (Callithrix geoffroyi) named Spanky at the University of Nebraska, Omaha.

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ANI106-00194

A black tufted-eared marmoset (Callithrix penicillata) named MacKensie at the University of Nebraska, Omaha.

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ANI106-00192

A black tufted-eared marmoset (Callithrix penicillata) named MacKensie at the University of Nebraska, Omaha.

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A Steller sea lion cow (Eumetopias jubatus) exchanges a “kiss” with her pup. Lowrie is a small island on the north end of Forrester National Wildlife Refuge; it serves as the rookery of the world’s largest concentration of these mammals. About 5,000 gather here at the height of the breeding/pupping season in late June and early July. Biologists puzzle over the fact that the species is faring so badly in relatively wild Alaska. Slow starvation may be the answer, since its principal food, pollock, has become increasingly popular with human competitors.

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ANI023-00250

Swamp deer or barasingha (Rucervus duvauceli branderi) at Zoo Negara. This species is listed as vulnerable by IUCN.

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ANI108-00074

An endangered golden lion tamarin (Leontopithecus rosalia) at the Lincoln Children’s Zoo.

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PLA031-00081

Peach-leaf bellflower (Campanula persicifolia alba) in Crosslake, Minnesota.

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BIR006-00222

A studio portrait of a brood of Cornish chicks, Gallus gallus domesticus.

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BEA020-00048

A grizzly bear at rest on the edge of the Larson Bay dump.

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ANI111-00101

A rare Eastern indigo snake, Drymarchon corais couperi, at Toledo Zoo.

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ANI099-00127

This orphaned black-faced spider monkey, named Pulgoso, is full of surprise. Pulgoso, which translates to “full of fleas” was raised by a logger in Madidi after its mother was killed by poachers.

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ANI092-00189

A veiled chameleon (Chamaeleo calyptratus) at Rolling Hills Wildlife Adventure.

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ANI085-00032

Studio portrait of a cat named Amadeus Wolfgang Meowzart.

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ANI075-00287

A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered)

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A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered)

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ANI062-00511

A Malayan gaur (Bos gaurus hubbacki) at Phnom Tamao Wildlife Rescue Center.

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ANI004-00169

The red fox is usually recognized by its reddish coat, its white-tipped tail, and black stockings, although the species does have many color variations. The red fox is omnivorous. Its diet consists of muskrats, squirrels, hares, birds , eggs, insects, vegetation, carrion and voles, which seem to be its preferred food.

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INV006-00185

A federally-endangered Guyandotte River crayfish (Cambarus veteranus) at the West Liberty University Crayfish Conservation Lab in West Liberty, West Virginia.

This species is only known from two streams in West Virginia. The total stream distance it is found in is about 25 miles total. Both streams are threatened by surface and underground coal mining.

The parents of this animal were collected in Wyoming County, WV, in 2015. This individual was born in the West Liberty Crayfish Conservation Lab in the summer of 2016. It represents one of the first of its kind to be reared in human care.