Tap the image you would like to download below. On most phones, tap and hold to get a menu where you will have an option to download or save the image to your phone, which you will then be able to select as your wallpaper.
Stuck trying to set your wallpaper? Check out these guides!
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Photos clockwise from top left: Northern Hawk Owl, Konstantine Mamalis; Pacific Loons, Khurram Khan; Roseate Spoonbill, Scott Gilbert; Atlantic Puffin, Christopher Landy; Snowy Owl, Gary Zeng; Great Egret, Michael Fahn; Anna's Hummingbird, Matthew Olson; Bald Eagles, Keith Wallach; Baltimore Oriole, Sandra Rothenberg. All Audubon Photography Awards.