Jasper Doest / Mute Swan (Cygnus olor), South Holland, Netherlands
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Vincent Grafhorst / Grandidier's Baobab (Adansonia grandidieri) silhouette at dusk, Morondava, Madagascar
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Vincent Grafhorst / Grandidier's Baobab (Adansonia grandidieri) in Avenue of the Baobabs at sunset, Morondava, Madagascar
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Vincent Grafhorst / Grandidier's Baobab (Adansonia grandidieri) silhouette at dusk, Morondava, Madagascar
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Vincent Grafhorst / Grandidier's Baobab (Adansonia grandidieri) and lilies at sunset, Morondava, Madagascar
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Vincent Grafhorst / Grandidier's Baobab (Adansonia grandidieri) trees in Avenue of the Baobabs at sunset, Morondava, Madagascar
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Vincent Grafhorst / Grandidier's Baobab (Adansonia grandidieri) and lilies at sunset, Morondava, Madagascar
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Vincent Grafhorst / Grandidier's Baobab (Adansonia grandidieri) and lilies at sunset, Morondava, Madagascar
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Vincent Grafhorst / Grandidier's Baobab (Adansonia grandidieri) and lilies at sunset, Morondava, Madagascar
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Jasper Doest / Coast Live Oak (Quercus agrifolia), Texas
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Jasper Doest / Coast Live Oak (Quercus agrifolia), Texas
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Jasper Doest / Arctic Fox (Alopex lagopus) pup running across the tundra, Svalbard, Norway
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Stephen Belcher / Pohutu Geyser erupting, Whakarewarewa, Rotorua, New Zealand
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Stephen Belcher / Whooper Swan (Cygnus cygnus) flock swimming on lake with steam, Lake Kussharo-ko, Hokkaido, Japan
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Stephen Belcher / Whooper Swan (Cygnus cygnus) flock swimming on lake with steam, Lake Kussharo-ko, Hokkaido, Japan
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Stephen Belcher / Orangutan (Pongo pygmaeus) juvenile hanging in a tree, Tanjung Puting National Park, Borneo, Malaysia, Indonesia
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Stephen Belcher / Pohutu Geyser erupting, Whakarewarewa, Rotorua, New Zealand
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Stephen Belcher / Angolan Giraffe (Giraffa giraffa angolensis) pair silhouetted against sunset, Etosha National Park, Namibia
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Stephen Belcher / Angolan Giraffe (Giraffa giraffa angolensis) pair silhouetted against sunset, Etosha National Park, Namibia
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Stephen Belcher / Angolan Giraffe (Giraffa giraffa angolensis) silhouetted against sunset, Etosha National Park, Namibia
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Stephen Belcher / Angolan Giraffe (Giraffa giraffa angolensis) pair silhouetted against sunset, Etosha National Park, Namibia
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Fred Bavendam / Whale Shark (Rhincodon typus) swimming along with two snorkelers, Ningaloo Reef, Australia
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Edwin Giesbers / RF- Ring-tailed lemur (Lemur catta) with tail in the air silhouetted in light, Berenty Reserve, Madagascar, Africa. (This image may be licensed either as rights managed or royalty free.)
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Edwin Giesbers / Ring-tailed lemur (Lemur catta) silhouetted with light from behind at night, Berenty Reserve, Madagscar
Norbert Wu / Monterey Cypress (Cupressus macrocarpa) tree, the famous landmark at Pebble Beach in winter, Monterey, California
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Sebastian Kennerknecht / Lotus Lily (Nelumbo sp) leaves in pond, Waimea Valley, Oahu, Hawaii
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Sebastian Kennerknecht / Brandt's Cormorant (Phalacrocorax penicillatus) on branch, La Jolla, San Diego, California
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Sebastian Kennerknecht / Snowy Egret (Egretta thula) foraging, Natural Bridges State Beach, Santa Cruz, California
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Sebastian Kennerknecht / Western Gull (Larus occidentalis) group flying, Wilder Ranch State Park, California
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Sebastian Kennerknecht / Marbled Godwit (Limosa fedoa) foraging at sunset, Zmudowski State Beach, California
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Sebastian Kennerknecht / Brown Pelican (Pelecanus occidentalis) group flying, Santa Cruz, Monterey Bay, California
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Scott Leslie / Orb-weaver Spider (Araneidae) web at dawn, Kissimmee Prairie Preserve State Park, Florida
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Pete Oxford / Volcan Alcedo Giant Tortoise (Chelonoidis nigra vandenburghi) group in wallow, Alcedo Volcano crater floor, Isabella Island, Galapagos Islands, Ecuador
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Vincent Grafhorst / Sunrise over Deception Valley with silhouetted trees, Deception Valley, Central Kalahari Game Reserve, Botswana
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Vincent Grafhorst / Southern Giraffe (Giraffa giraffa) silhouetted against the setting sun, Lethiau Valley, Central Kalahari Game Reserve, Botswana
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Vincent Grafhorst / Gemsbok (Oryx gazella) trio foraging in high Kalahari grass, Deception Valley, Central Kalahari Game Reserve, Botswana
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Vincent Grafhorst / Blue Wildebeest (Connochaetes taurinus) walking in yellow morning light, Khama Rhino Sanctuary, Serowe, Botswana
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Vincent Grafhorst / Black-faced Vervet Monkey (Cercopithecus aethiops) running through grass, Gaborone Game Reserve, Botswana
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Vincent Grafhorst / Ostrich (Struthio camelus) male scratching its head, Khama Rhino Sanctuary, Serowe, Botswana
Albert Lleal / Spider in web at day break, Girona, Spain
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Albert Lleal / Leopard Gecko (Eublepharis macularis) back leg photographed under ultraviolet light, showing strong fluorescence at the knee, and fingers, native to Asia
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Thomas Marent / Palm frond, French Guiana
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Suzi Eszterhas / Grizzly Bear (Ursus arctos horribilis) foraging at sunset, Katmai National Park, Alaska
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Suzi Eszterhas / Blue Wildebeest (Connochaetes taurinus) in woodland at sunset, Ngorongoro Conservation Area, Tanzania