Tim Fitzharris / Ruby Beach, Olympic National Park, Washington
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Michael Durham / Red-legged Frog (Rana aurora) near Circle Creek along coast, Oregon
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Michael Durham / Pallid Bat (Antrozous pallidus) flying at night, Washington
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Michael Durham / Pallid Bat (Antrozous pallidus) flying at night, Washington
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Tim Fitzharris / Paradise Meadow and Mount Rainier, Mount Rainier National Park, Washington
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Konrad Wothe / Giant Green Sea Anemone (Anthopleura xanthogrammica) group, Goose Barnacles (Lepas anserifera) group and Ochre Sea Stars (Pisaster ochraceus) at low tide, Olympic National Park, Washington
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Konrad Wothe / California Sea Lion (Zalophus californianus) at Cape Alava, Olympic National Park, Washington
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Michael Durham / Bald-faced Hornet (Dolichovespula maculata) flying, western Oregon
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Michael Durham / Coho Salmon (Oncorhynchus kisutch) eggs at ten weeks after spawning, Washington
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Michael Durham / Mountain Lion (Puma concolor) uncovers a young Elk (Cervus elephus nelsoni) calf that it killed and covered with debris earlier, Wallowa County, Oregon * tags and tracking collar on cat were digitally...
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Michael Durham / Honey Bee (Apis mellifera) worker collecting nectar from Red Clover (Trifolium pratense) flowers, note the pollen baskets on the legs, northwest Oregon
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Michael Durham / Bumblebee (Bombus morrisoni) queen, flying toward Sweet Pea flowers in the Deschutes National Forest, Oregon
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Michael Durham / Silver-haired Bat (Lasionycteris noctivagans) illustrating wing movement during flight, Rogue River National Forest, Oregon, digital composite
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Michael Durham / Western Long-eared Myotis (Myotis evotis) about to drink from a man-made guzzler, high-desert transition zone in the Deschutes National Forest, Oregon
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Michael Durham / California Darner (Rhionaeschna californica) dragonfly, photographed with a high-speed camera, coastal mountains, Oregon
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Michael Durham / Yuma Myotis (Myotis yumanensis) bat, female pursuing a moth on the wing, Oregon
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Michael Durham / Yuma Myotis (Myotis yumanensis) bat, male capturing a forest moth, Oregon
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Michael Durham / Western Pipistrelle (Pipistrellus hesperus) bat flying over desert scrub, near Pine Creek in the John Day Fossil Beds National Monument, Clarno Unit, Oregon, this is the smallest bat found north of Me...
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Michael Durham / Western Pipistrelle (Pipistrellus hesperus) bat chases a moth over desert scrub, near Pine Creek in the John Day Fossil Beds National Monument, Clarno Unit, Oregon
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Michael Durham / Eight-spotted Skimmer (Libellula forensis) dragonfly male flying, photographed with a high-speed camera system in the coastal mountains of Oregon, near Florence
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Michael Durham / Two-striped Grasshopper (Melanoplus bivittatus) adult female jumping, Deschutes National Forest, Oregon
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Michael Durham / Bumblebee (Bombus huntii) flying toward the camera after collecting nectar from a Rhododendron flower, northeast Oregon
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Michael Durham / Western Gull (Larus occidentalis) flock flying over the Oregon coast
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Michael Durham / Pacific Chorus Frog (Pseudacris regilla) jumping into pond, Oregon
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Michael Durham / Honey Bee (Apis mellifera) flying hovering over pink flowers, Sauvie Island, Oregon
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Michael Durham / Douglas Fir Glow-worm (Pterotus obscuripennis) displaying bioluminescence at night, Tillamook State Forest, Oregon
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Michael Durham / Pronghorn Antelope (Antilocapra americana) female, left, and male on grassland, Oregon
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Tim Fitzharris / Incoming waves at Bandon Beach, Oregon
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Michael Durham / Deer Mouse (Peromyscus maniculatus) jumping as an evasive behavior, Forest Park, Oregon
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Michael Durham / Honey Bee (Apis mellifera) flying, Sauvie Island, Oregon
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Gerry Ellis / De Brazza's Monkey (Cercopithecus neglectus) portrait, captive animal, Woodland Park Zoo, Washington
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Gerry Ellis / Nurse log stage five temperate rainforest, Olympic National Park, Washington
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Gerry Ellis / Solomon Island Leaf Frog (Ceratobatrachus guentheri), Woodland Park Zoo, Washington
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Gerry Ellis / Chimpanzee (Pan troglodytes) uses fishing tool to catch insects, Washington Park Zoo, Washington
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Gerry Ellis / Chimpanzee (Pan troglodytes) teaching, young male to use fishing tool, Washington Park Zoo
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Gerry Ellis / Northern Spotted Owl (Strix occidentalis caurina) on moss covered branch in temperate rainforest, Pacific Northwest, North America
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Thomas Mangelsen / Spotted Owl (Strix occidentalis) in old growth forest, southwest Oregon
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Tim Fitzharris / Paradise River cascade, Mt Rainier National Park, Washington
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Tim Fitzharris / Paradise River surrounded by spring flowers, Mt Rainier National Park, Washington
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Gerry Ellis / Jaguar (Panthera onca) portrait of young Jaguar, Woodland Park Zoo, Washington
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Gerry Ellis / Jaguar (Panthera onca) fur, close-up of patterned detail, Washington Park Zoo, Portland, Oregon
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Tim Fitzharris / Paradise River, Mt Rainier National Park, Washington
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Tim Fitzharris / Mt Rainier and wildflowers at Reflection lake, Mt Rainier National Park, Washington
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Gerry Ellis / Chimpanzee (Pan troglodytes) uses fishing tool, Washington Park Zoo
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Gerry Ellis / Temperate rainforest clear cutting with logging road, Olympic National Forest, Washington