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Pharmacist holding a pill bottle
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Three month old tabby kitten with face surrounded by pink feathers.
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Rhodesian Ridgeback puppy
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Mountain Goat Looking Left In Winter Coat, Olympic Mountains, Washington
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An akita pitbull mix
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Cropped portrait of woman's face
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Fawn Pug cocks head in front of striped burgundy
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A four-horned chameleon, at the Fort Worth Zoo
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Endangered Francois' langurs
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English bulldog puppies inside a clear bin
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A portrait of a golden eagle, at the Point Defiance Zoo and Aquarium
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Vintage bowling team
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Wolf (Canis lupus) with autumn color, Canada
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Beagle Puppy and Sports
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Breezing Up (A Fair Wind) 1873-76
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Little Owl, Athene Noctua, Wheatley, Oxfordhisre, England
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Hippopotamus, Serengeti National Park, Tanzania, East Africa
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An endangered Malayan tiger, Panthera tigris jacksoni
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An endangered Siberian tiger
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Hippopotamus, Serengeti National Park, Tanzania, East Africa
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Old woman in rustic house
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An endangered Sumatran tiger, at the Miller Park Zoo
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Emperor tamarin, Saguinus imperator subgrisescens, at the Plzen Zoo
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A spectacled caiman, at the Omaha Henry Doorly Zoo
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Northern barred owl perched on birch limb, Connecticut
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Barred owl on fence, in captivity, Boulder County, Colorado
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Bull Roosevelt elk bugling in the Hoh rainforest, Olympic Peninsula, Washington
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An endangered Sumatran tiger, at the Miller Park Zoo
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A California sea lion, at the Indianapolis Zoo
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A giant panda, Ailuropoda melanoleuca, at Zoo Atlanta
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Beauty, Shot in a studio
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A volcan darwin tortoise, at the Lincoln Children's Zoo
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A federally endangered Margay, at the Cincinnati Zoo
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Sprocker Puppies
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Two-Toed Sloth, Tortuguero, Costa Rica
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A tawny frogmouth owl, Podargus strigoides, at the Fort Worth Zoo
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A spectacled caiman, at the Omaha Henry Doorly Zoo
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A federally endangered yellow-footed rock wallaby, Petrogale xanthopus
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Texas horned lizard, Phrynosoma cornutum, at the Fort Worth Zoo
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A pair of red lories, Eos bornea, at the Indianapolis Zoo
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Woman smoking a cigar, portrait
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A three-month-old baby chimpanzee
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A ring-tailed lemur, Lemur catta, at the Lincoln Children's Zoo
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A common northern boa, Boa constrictor imperator, at the Fort Worth Zoo
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Boxer dog with a tennis ball in its mouth
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A pair of South Georgia king penguins at the Indianapolis Zoo
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Two-Toed Sloth, Tortuguero, Costa Rica
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An eastern yellow-billed hornbill, Tockus flavirostris, at the Indianapolis Zoo