Steven Kazlowski / Polar bear {Ursus maritimus} baring teeth at truck window, seen from inside vehicle, Coastal plain of the Arctic National Wildlife Refuge, Alaska.
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Lynn M Stone / Melanistic (black form) leopard snarling, often called black panther (captive)
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Roland Seitre / Children looking at large model of spider in the Spider House at the Australian Reptile Park, Gosford, New South Wales.
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Pete Oxford / Green moray eel (Gymnothorax funebris) mouth open surrounded by darkness, Bonaire, Netherlands Antilles, Caribbean
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John Cancalosi / Tail-less Whip Scorpion (Phrynus / Amblypygi whitei). Santa Rosa National Park tropical dry forest, Costa Rica.
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John Cancalosi / Tail-less Whip Scorpion (Phrynus / Amblypygi whitei) against lichen. Santa Rosa National Park tropical dry forest, Costa Rica.
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John Cancalosi / Close-up of Tail-less Whip Scorpion (Phrynus / Amblypygi whitei). Santa Rosa National Park tropical dry forest, Costa Rica.
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Jan Hamrsky / Spike-tail Dragonfly (Cordulegaster) nymph portrait. Europe, August.
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Jan Hamrsky / Spike-tail Dragonfly (Cordulegaster) nymph portrait. Europe, August.
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Jan Hamrsky / Spike-tail Dragonfly (Cordulegaster) nymph portrait. Europe, August.
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Jan Hamrsky / Spike-tail Dragonfly (Cordulegaster) nymph portrait. Europe, August.
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Jan Hamrsky / Spike-tail Dragonfly (Cordulegaster) nymph portrait. Europe, August.
