Sebastian Kennerknecht / Minden / American Bison (Bison bison) female in winter, Yellowstone National Park, Wyoming
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Yva Momatiuk & John Eastcott / Minden / Calcium tufa formations, Mono Lake, California
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Jan Wegener / Common Nighthawk (Chordeiles minor) male in display flight, Winnie, Texas
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Marie Read / Ruby-throated hummingbird (Archilochus colubris) male flies in to feed on nectar from Eastern red columbine flower (Aquilegia canadensis), Freeville, New York, USA, June.
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Marie Read / Eastern bluebird (Sialia sialis) male feeding on Winterberries (Ilex verticillata) before flying off, Freeville, New York, USA, January.
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Marie Read / Common loon (Gavia immer) adult swimming with a chick resting on its back, Presque Isle County, Michigan, USA, June.
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Marie Read / American bittern (Botaurus lentiginosus) calling / booming in a cattail marsh to mark territory, Salt Alkaline Lake, Kidder County, North Dakota, USA, June.
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Jack Dykinga / Yellow-headed blackbird (Xanthocephalus xanthocephalus) murmurations as flock returns to roost at sunset, Whitewater Draw Preserve, Arizona, USA.
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Jack Dykinga / Yellow-headed blackbird (Xanthocephalus xanthocephalus) flock flying over reed beds, Whitewater Draw Wildlife Preserve, Arizona, USA.
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Jack Dykinga / Ironwood Forest National Monument, Arizona. Sunset light with whispy clouds over Ragged Top Mountain in the Silverbell range.
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Jack Dykinga / Female Burrowing owl (Athene cunicularia) with two chicks in farm fields, near Marana, Arizona, USA.
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David Fleetham / A Green sea turtle (Chelonia mydas) at surface to breathe, over shallow reef, Hawaii USA.
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Jack Dykinga / Rainbows over the Santa Catalina Mountains at sunset following a powerful monsoon storm, Sonoran Desert, Arizona, USA.
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Marie Read / Front view of an adult Black skimmer (Rynchops niger) in flight carrying a fish, Long Island, New York, USA. August.
Awarded a Judges Choice in the Birds category in the 2020 North American Nature As...
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Marie Read / Common redpoll (Acanthis flammea) flock feeding on seeds in the snow, New York, USA, January.
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David Fleetham / Endangered Green sea turtle (Chelonia mydas) stretches neck to be cleaned by Yellow tangs (Zebrasoma flavescens) and Goldring tangs (Ctenochaetus strigosus), North Pacific, Hawaii, USA.
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Jack Dykinga / Burrowing owls (Athene cunicularia) pair mating, Marana farming complex, Arizona, USA. April.
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Jack Dykinga / Burrowing owls (Athene cunicularia) pair mating, Marana farming complex, Arizona, USA. April.
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Marie Read / Black Skimmer (Rynchops niger) excavating nest scrape on beach by squatting and kicking backwards using its feet, Long Island, New York, USA, August.
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Marie Read / Black Skimmer (Rynchops niger) brooding small chick in nest on beach, Long Island, New York, USA, August.
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Marie Read / Black Skimmers (Rynchops niger) nesting, one adult feeds a fish to a small chick that emerges from underneath second adult, Long Island, New York USA, August.
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John Cancalosi / Gila Woodpecker (Melanerpes uropygialis) bringing food to nest in Saguaro cactus (Carnegiea gigantea) before leaving, Sonoran Desert, Arizona, USA.
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John Chan / Double-crested Cormorant (Phalacrocorax auritus) chicks sitting in nest, pestering parent for food before the parent feeds one of the chicks, California, USA, May.
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John Chan / Monarch Butterfly (Danaus plexippus) nectaring on a Sweet scabious (Scabiosa atropurpurea), Orange County, California, USA, May.
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Jack Dykinga / Burrowing owls (Athene cunicularia) pair mating, Marana farming complex, Arizona, USA. April.
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Jack Dykinga / Sandhill cranes (Antigone candensis), in flight against the setting full moon at dawn. Whitwater Draw, Arizona Game and Fish Wildlife area, Arizona, USA.
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John Chan / Calliope hummingbird (Stellula calliope) chasing insects before returning to its perch, Southern California, USA, April.
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John Chan / Monarch butterfly (Danaus plexippus) taking flight from a Pride of madeira (Echium candicans) after contact with a Honey bee (Apis mellifera), Southern California, USA, April.
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John Chan / Calliope hummingbird (Stellula calliope) extending its tongue after feeding, Southern California, USA, April.
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John Chan / Elegant terns (Thalasseus elegans) gathering at mussel bed during breeding season, one hovering tern has a mussel clamped to its foot, a common mishap caused by stepping on an open mussel, Bolsa Chica...
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John Chan / Great blue heron (Ardea herodias) resting, perched prior to returning to nest site with nesting material, Bolsa Chica Ecological Reserve, Southern California, USA, February.
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John Chan / Great blue herons (Ardea herodias) engaging in twig transfer during nest building, Bolsa Chica Ecological Reserve, Southern California, USA, February.
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John Chan / Eurasian collared dove (Streptopelia decaocto) grooming its fledgling, Bolsa Chica Ecological Reserve, Southern California, USA, March.
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John Chan / American avocets (Recurvirostra americana) foraging in a tidal basin, Bolsa Chica Ecological Reserve, Southern California, USA, October.
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John Chan / American white pelicans (Pelecanus erythrorhynchos) foraging in tidal basin at sunset, Bolsa Chica Ecological Reserve, Southern California, USA, September.
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John Chan / Group of Brent geese (Branta bernicla) foraging in Eelgrass (Zostera marina) bed, Bolsa Chica Ecological Reserve, Southern California, USA, March.
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George Sanker / Elk (Cervus canadensis) bull and cow sniffing noses, Yellowstone National Park, Wyoming, USA. September.
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Charlie Summers / Black-footed ferret (Mustela nigripes) on Black-tailed prairie dog (Cynomys ludovicianus) mound, in snow. A reintroduction programme is underway with approximately 300 individuals of this critically e...
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Charlie Summers / Black-footed ferret (Mustela nigripes) leaving a Black-tailed prairie dog (Cynomys ludovicianus) burrow whilst hunting for prey on snow covered prairie. Colorado, USA. January.
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Charlie Summers / Black-footed ferret (Mustela nigripes) at edge of Prairie dog (Cynomys sp) burrow, hunting for prey. A reintroduction programme is underway with approximately 300 individuals of this critically endang...
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Andy Murch / Spiny dogfish (Squalus acanthias) portrait. Rhode Island, New England, USA. August.
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Jack Dykinga / Desert lilies (Hesperocallis undulata) flowering in spring on dunes at dawn. Mohawk Dunes, Barry M. Goldwater Range, Sonoran Desert, Arizona, USA.
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Jack Dykinga / Moran Point with snow on the pinnacles, Grand Canyon National Park, Arizona, USA.
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Jack Dykinga / Horseshoe Bend of the Salt River with Saguaro cacti (Carnegiea gigantea), Arizona, USA.
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Jack Dykinga / Saguaro cacti (Carnegiea gigantea) Cabeza Prieta National Wildlife Refuge, Arizona, USA.
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Jack Dykinga / Elves Chasm with maidenhair ferns and monkey flowers. Grand Canyon National Park, Arizona, USA.
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Jack Dykinga / New snow on Pinyon pines ( Pinus edulis) in morning light. Grand Canyon National Park, Arizona, USA
