Mark Payne-Gill / Sandhill cranes landing in field Platte river Nebraska USA {Grus canadensis} . march
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Joel Sartore / Photo Ark / Common marmoset (Callithrix jacchus) female with a baby holding onto her back, University of Nebraska, Omaha. Captive.
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Cheryl-Samantha Owen / Aaron Price riding his horse 'Beau' over his Ranch, Gracie Creek, Sandhills, Nebraska. Garfield County, Nebraska, USA. October 2014.
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Cheryl-Samantha Owen / Lynn Ballagh closing gate on his cattle ranch, Sandhills of Nebraska, Garfield County, Nebraska, USA.
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Charlie Summers / 'Carhenge', a sculpture tribute to Stonehenge of Wiltshire, UK. Built from cars in 1987 by Jim Reinders. Nebraska, November 2011.
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David Tipling / Two male Greater prairie chickens (Tympanuchus cupido) fighting on lekking ground in the Sandhills, Nebraska. USA, April
Jim Brandenburg / American Bison (Bison bison) pair grazing on prairie under an anvil cloud, Nebraska
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Joel Sartore / Photo Ark / Female opossum (Didelphis virginiana) hissing, carrying babies on her back, Nebraska Wildlife Rehabilitation. Captive.
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Joel Sartore / Photo Ark / Female opossum (Didelphis virginiana), carrying babies on her back, Nebraska Wildlife Rehabilitation. Captive.
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Joel Sartore / Photo Ark / Big brown bat (Eptesicus fuscus) crawling and calling at Nebraska Wildlife Rehabilitation Center, USA.
Captivity.
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Joel Sartore / Photo Ark / Close up of Northern long-eared bat (Myotis septentrionalis) head, listed as vulnerable by IUCN, calling, at Nebraska wildlife rehabilitation centre, USA.
Captivity.
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Joel Sartore / Photo Ark / Northern long-eared bat (Myotis septentrionalis), listed as vulnerable by IUCN, crawling at Nebraska wildlife rehabilitation centre, USA.
Captivity.
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Joel Sartore / Photo Ark / Dorsal view of Northern long-eared bat (Myotis septentrionalis), listed as vulnerable by IUCN, at Nebraska wildlife rehabilitation centre, USA.
Captivity.
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Joel Sartore / Photo Ark / Greater bulldog bat (Noctilio leporinus) close up of feet, hanging upside down, at Omaha's Henry Doorly Zoo, Nebraska, USA.
Captivity.
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Joel Sartore / Photo Ark / Greater bulldog bat (Noctilio leporinus) hanging upside down at Omaha's Henry Doorly Zoo, Nebraska, USA.
Captivity.
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Joel Sartore / Photo Ark / Greater spear-nosed bat (Phyllostomus hastatus) hanging upside down, at Omaha's Henry Doorly Zoo, Nebraska, USA. .
Captivity.
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Joel Sartore / Photo Ark / Greater spear-nosed bat (Phyllostomus hastatus) hanging upside down, at Omaha's Henry Doorly Zoo, Nebraska, USA.
Captivity.
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Joel Sartore / Photo Ark / Greater spear-nosed bat (Phyllostomus hastatus) hanging upside down from branch, at Omaha's Henry Doorly Zoo, Nebraska, USA.
Captivity.
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Joel Sartore / Photo Ark / Indian flying fox bat (Pteropus giganteus) crawling upside down, at Omaha's Henry Doorly Zoo, Nebraska, USA.
Captivity.
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Joel Sartore / Photo Ark / Close up of Indian flying fox bat (Pteropus giganteus) hanging upside down at Omaha's Henry Doorly Zoo, Nebraska, USA.
Captivity.
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Joel Sartore / Photo Ark / Close up of Indian flying fox bat (Pteropus giganteus) at Omaha's Henry Doorly Zoo, Nebraska, USA.
Captivity.
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Joel Sartore / Photo Ark / Portrait of Indian flying fox bat (Pteropus giganteus) hanging upside down at Omaha's Henry Doorly Zoo, Nebraska, USA.
Captivity.
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Joel Sartore / Photo Ark / Close up of Little golden-mantled flying fox bat (Pteropus pumilus) face at Omaha's Henry Doorly Zoo, Nebraska, USA.
Captivity.
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Joel Sartore / Photo Ark / Little golden-mantled flying fox bat (Pteropus pumilus) crawling at Omaha's Henry Doorly Zoo, Nebraska, USA.
Captivity.
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Joel Sartore / Photo Ark / Little golden-mantled flying fox (Pteropus pumilus) crawling, wings spread out, at Omaha's Henry Doorly Zoo, Nebraska, USA.
Captivity.
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Joel Sartore / Photo Ark / Little golden-mantled flying fox (Pteropus pumilus) crawling at Omaha's Henry Doorly Zoo, Nebraska, USA.
Captivity.
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Joel Sartore / Photo Ark / Close up of critically endangered Rodrigues flying fox bat (Pteropus rodricensis) hanging upside down at Lincoln Children's Zoo, Nebraska, USA.
Captivity.
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Joel Sartore / Photo Ark / Close up of critically endangered Rodrigues flying fox bat (Pteropus rodricensis) hanging upside down at Lincoln Children's Zoo, Nebraska, USA.
Captivity.
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Joel Sartore / Photo Ark / Rodrigues flying fox bat (Pteropus rodricensis) hanging upside down at Lincoln Children's Zoo, Nebraska, USA. Critically endangered species.
Captivity.
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Joel Sartore / Photo Ark / Close up of Egyptian fruit bat (Rousettus aegyptiacus) hanging upside down at Omaha's Henry Doorly Zoo, Nebraska, USA.
Captivity.
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Joel Sartore / Photo Ark / Close up of Egyptian fruit bat (Rousettus aegyptiacus) hanging upside down at Omaha's Henry Doorly Zoo, Nebraska, USA.
Captivity.
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Joel Sartore / Photo Ark / Egyptian fruit bat (Rousettus aegyptiacus) hanging upside down at Omaha's Henry Doorly Zoo, Nebraska, USA.
Captivity.
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Joel Sartore / Photo Ark / Long-haired fruit bat (Rousettus lanosus) crawling at Lincoln Children's Zoo, Nebraska, USA.
Captivity.
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Joel Sartore / Photo Ark / Dorsal view of Long-haired fruit bat (Rousettus lanosus) twisting its head, at Lincoln Children's Zoo, Nebraska, USA.
Captivity.
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Joel Sartore / Photo Ark / Close up of Long-haired fruit bat (Rousettus lanosus) landing at Lincoln Children's Zoo, Nebraska, USA.
Captivity.
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Joel Sartore / Photo Ark / Dorsal view of Long-haired fruit bat (Rousettus lanosus) crawling at Lincoln Children's Zoo, Nebraska, USA.
Captivity.
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Joel Sartore / Photo Ark / Common marmoset (Callithrix jacchus) female, with a baby holding onto her back, walking out of frame, University of Nebraska, Omaha. Captive.
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Joel Sartore / Photo Ark / Black tufted marmoset (Callithrix penicillata) female portrait, looking around, University of Nebraska. Captive.
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Joel Sartore / Photo Ark / White faced marmoset (Callithrix geoffroyi) male looking around, University of Nebraska. Captive.
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Joel Sartore / Photo Ark / Black tufted marmoset (Callithrix penicillata) female turning head, University of Nebraska. Captive.
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Joel Sartore / Photo Ark / Guinea pig (Cavia porcellus), at the Capital Humane Society in Lincoln, Nebraska. Captive.
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Joel Sartore / Photo Ark / A Mountain chicken frog (Leptodactylus fallax) at the Omaha's Henry Doorly Zoo and Aquarium, Nebraska. Captive. Critically Endangered species.
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Joel Sartore / Photo Ark / Comet longfin (Calloplesiops altivelis) swimming through the frame, The Fish Store, Nebraska, Lincoln, USA.
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Joel Sartore / Photo Ark / Pearlscale butterflyfish (Chaetodon xanthurus) swimming into view before leaving, The Fish Store, Nebraska, Lincoln, USA.
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Joel Sartore / Photo Ark / Female Asiatic wildcat (Felis silvestris ornata) named Tilly, Henry Doorly Zoo and Aquarium, Omaha, USA. Captive.
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Joel Sartore / Photo Ark / Female Asiatic wildcat (Felis silvestris ornata) named Tilly, Henry Doorly Zoo and Aquarium, Omaha, USA. Captive.
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Joel Sartore / Photo Ark / Female Asiatic wildcat (Felis silvestris ornata) named Tilly, Henry Doorly Zoo and Aquarium, Omaha, USA. Captive.