Steven Kazlowski / Young Polar bear (Ursus maritimus) standing and trying to balance in shallow water along the Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, Oc...
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Steven Kazlowski / Young Polar bear (Ursus maritimus) standing and trying to balance in shallow water along the Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, Oc...
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Steven Kazlowski / Young Polar bear (Ursus maritimus) standing and trying to balance in shallow water along the Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, Oc...
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Yashpal Rathore / Kottigehar dancing frog (Micrixalus kottigeharensis) male calling and displaying to attract female by waving foot, Agumbe, Western Ghats, India.
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Yashpal Rathore / Kottigehar dancing frog (Micrixalus kottigeharensis) male calling and displaying to attract female by waving foot, Agumbe, Western Ghats, India.
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Tui De Roy / Blue-footed Booby (Sula nebouxii) males courting female, Punta Vicente Roca, Isabela Island, Galapagos Islands, Ecuador
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Tui De Roy / Blue-footed Booby (Sula nebouxii) performing foot-lifting courtship display, Seymour Island, Galapagos Islands, Ecuador
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Tui De Roy / Blue-footed Booby (Sula nebouxii) performing foot-lifting courtship display, Seymour Island, Galapagos Islands, Ecuador
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Ingo Arndt / Aboriginal Rock Art / depicting human figure / Anbangbang Gallery / Nourlangie Range / Kakadu National Park, Northern Territory, Australia
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Steve Gettle / Western Grebe (Aechmophorus occidentalis) pair in courtship dance, North Dakota
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Markus Varesvuo / Japanese / Red-crowned crane (Grus japonicus) two calling and dancing, part of bonding and courtship display, Hokkaido Japan February