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Long-billed Thrasher/Professional Category. Photo: Hector Astorga/Audubon Photography Awards

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Snowy Egret/Amateur Category. Photo: Peter Brannon/Audubon Photography Awards

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American Flamingo/Amateur Category. Photo: Ken Mirman/Audubon Photography Awards

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Mute Swans/Amateur Category. Photo: Madeline Poster/Audubon Photography Awards

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Northern Cardinal/Amateur Category. Photo: Richard Green/Audubon Photography Awards

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Anna's Hummingbird/Professional Category. Photo: Sarah Blodgett/Audubon Photography Awards

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Sandhill Cranes, Northern Pintails and Mallards/Amateur Category. Photo: Dale Erickson/Audubon Photography Awards

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King Penguin/Amateur Category. Photo: Debra Herst//Audubon Photography Awards

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Bald Eagle/Amateur Category. Photo: Howard Arndt/Audubon Photography Awards

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Speckled Mousebird/Amateur Category. Photo: Nancy Gaudino/Audubon Photography Awards

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Juvenile Great Black-backed Gulls and Herring Gull/Amateur Category. Photo: Jonathan Kresge/Audubon Photography Awards

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Wandering Albatross/Amateur Category. Photo: Debra Herst/Audubon Photography Awards

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American Goldfinch/Amateur Category. Photo: Deborah O'Sullivan/Audubon Photography Awards

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Booted Racket-tail and Andean Emerald/Amateur Category. Photo: Donald Dolga/Audubon Photography Awards

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Penduline Tit/Amateur Category. Photo: Artur Stankiewicz/Audubon Photography Awards

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Least Terns/Fine Art Category. Photo: Jim Verhagen/Audubon Photography Awards

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Snowy Egret/Amateur Category. Photo: Pasi Kaunisto/Audubon Photography Awards

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Grey Heron/Amateur Category. Photo: Artur Stankiewicz/Audubon Photography Awards

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Canada Goose/Amateur Category. Photo: Barb D'Arpino/Audubon Photography Awards

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American Avocets/Professional Category. Photo: Mark Buckler/Audubon Photography Awards

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Brown-hooded Parrot/Amateur Category. Photo: Judylynn Malloch/Audubon Photography Awards

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Wood Ducklings/Amateur Category. Photo: Christopher Schlaf/Audubon Photography Awards

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Great Egrets/Amateur Category. Photo: Susan Perry/Audubon Photography Awards

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Stripe-throated Hermits/Professional Category. Photo: Aaron Baggenstos/Audubon Photography Awards

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Wilson's Plover/Amateur Category. Photo: Gail Bisson//Audubon Photography Awards

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Crested Caracara and Scissor-tailed Flycatcher/Fine Art Category. Photo: Jerry Black/Audubon Photography Awards

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Sandhill Cranes/Amateur Category. Photo: Chokchai Leangsuksun/Audubon Photography Awards

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Acorn Woodpecker/Amateur Category. Photo: Lee Marcus/Audubon Photography Awards

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Green Heron/Amateur Category. Photo: Mark Zimmerman/Audubon Photography Awards

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Red-legged Cormorants/Amateur Category. Photo: Peter Cavanagh/Audubon Photography Awards

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Northern Cardinal/Amateur Category. Photo: Brian Kushner/Audubon Photography Awards

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Pileated Woodpecker/Professional Category. Photo: Pamela Underhill Karaz/Audubon Photography Awards

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Great Blue Heron/Amateur Category. Photo: Christopher Schlaf/Audubon Photography Awards

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Purple Finch/Amateur Category. Photo: Gail Bisson/Audubon Photography Awards

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Roseate Spoonbils/Amateur Category. Photo: Jean Hall/Audubon Photography Awards

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Green Violetears/Amateur Category. Photo: Michael Cohen/Audubon Photography Awards

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Red-winged Blackbird/Amateur Category. Photo: Colleen Gara/Audubon Photography Awards

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Black Skimmer/Amateur Category. Photo: Amy Marques/Audubon Photography Awards

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White-necked Jacobin/Professional Category.