“Naked” birding is birding without the use of binoculars. (See Ted Lee Eubanks, Techniques in Identification, American Birding Association, Bare-Naked Birding)
The tools below are useful for those with and without smartphones, binoculars and spotting scopes.
Kauffman, Ken, How to Identify Birds, Before you judge a bird by its color, use these eight clues to guide you, National Audubon Society, April 21, 2016, https://www.audubon.org/news/how-identify-birds
Photos for Identification & Comparison(Includes Photographer Sites):
Moody, Milt, Utah Birds, Birds of the United States & Canada: http://utahbirds.org/birdsofutah/PhotoIndex.html
Raptor ID Fact Sheets, HawkWatch International https://hawkwatch.org/learn/factsheets
Macaulay Library, The Cornell Lab of Ornithology, Cornell University, https://www.macaulaylibrary.org/
Birds, National Geographic Society, https://www.nationalgeographic.org/topics/birds/?q=&page=1&per_page=25
Some of Our Favorite Birds (Bird Guide), National Audubon Society, https://www.audubon.org/bird-guide
ABC’s Bird Library, American Bird Conservancy, https://www.audubon.org/bird-guide
Bird Guide, All About Birds, https://www.allaboutbirds.org/guide/
Photographer Sites:
Avery, Tim, Utah Bird Photos, Tim Avery Birding, http://www.timaverybirding.com/photos/index.php?cat=2
Clark, Cullen, CVBirder, https://www.flickr.com/photos/38098956@N07/albums/72157663120691395
Cooper,Jeff, https://neovistabirding.blogspot.com/
Dudley, Ron, https://www.featheredphotography.com/
Greenwood, Stephanie, https://www.flickr.com/photos/bubblesteph/
Higgins, Paul, https://www.pbase.com/phiggins/
Liguori, Jerry, See Macaulay Library, The Cornell Lab of Ornithology, Cornell University, https://www.macaulaylibrary.org/
McPherson, Mia, https://www.onthewingphotography.com/wings/
O’Donnell, Ryan, http://200birds.blogspot.com/
Robinson, Shyloh, https://www.flickr.com/photos/saltybirds
Smith, Dickson, formerly wildwingsnaturephotography.com
Thompson, Mick, https://www.flickr.com/photos/mickthompson/albums
ID Tools by Shape:
Bird Guide, Browse by Shape, All About Birds, The Cornell Lab of Ornithology, Cornell University, https://www.allaboutbirds.org/guide/browse/shape
Whatbird Identification Expert for Utah, Mitch Waite Group, https://www.whatbird.com/birdexpert/statecolorsize/2/20/birdexpert.aspx
Identification by Ear:
Colver, Kevin, As found on WildStore.WildSanctuary.com, https://wildstore.wildsanctuary.com/collections/special-collections
Macaulay Library, The Cornell Lab of Ornithology, Cornell University, https://www.macaulaylibrary.org/
Xeno-canto Foundation, https://www.xeno-canto.org/
Reporting Tools:
Mailing Lists: https://bridgerlandaudubon.org/birding-tools/hotlines/
Electronic Field Guides
Audubon Bird Guide: North America, Android iOS
eBird, Android iOS
Merlin Birding App, The Cornell Lab of Ornithology, Cornell University, https://MerlinBirdID.com/ Merlin Bird ID, Android iOS
Raptor ID, HawkWatch International & Cornell Lab of Ornithology, iOS Android
Sibley Birds, Android iOS
Song Sleuth, Android Check Store for iOS
Slavin, Zach,The Best Birding Apps And Field Guides, Your smartphone alone can give you access to hundreds of species. August 4, 2015, National Audubon Society, https://www.audubon.org/news/the-best-birding-apps-and-field-guides
Books & Field Guides:
Colver, Kevin & Elliott, Lang, Calls of Duck and Geese, https://www.bookdepository.com/Calls-Duck-Geese-Kevin-Colver/9780811734905
Colver, Kevin & Elliott, Lang, Know Your Bird Sounds : Common Western Species, https://www.bookdepository.com/Know-Your-Bird-Sounds-Kevin-Colver/9780811734462
Dunn, Jon L., & Alderfer, Jonathan, National Geographic Field Guide to the Birds of North America, National Geographic Society, https://www.amazon.com/National-Geographic-Field-Guide-America/dp/1426208286
Peterson, Roger Tory, A Field Guide to Western Birds, Houghton Mifflin Harcourt, https://www.amazon.com/Field-Guide-Western-Birds-Completely/dp/039551424X
Peterson, Roger Tory, A Field Guide to Western Birds: A Completely New Guide to Field Marks of All Species Found in North America West of the 100th Meridian…, Houghton Mifflin Harcourt, April 1, 1990, https://www.amazon.com/gp/product/039551424X/
Sibley, David, Sibley Birds West: Field Guide to Birds of Western North America, Knopf, March 29, 2016, https://www.amazon.com/Sibley-Birds-West-Western-America/dp/0307957926
Sibley, David, The Sibley Guide to Birds, 2nd Edition (Sibley Guides), Knopf, March 11, 2014, https://www.amazon.com/Sibley-Guide-Birds-2nd/dp/030795790X
Udvardy, Miklos D. F., National Audubon Society Field Guide to North American Birds, Western Region, Knopf; Revised edition (August 1, 1994) https://www.amazon.com/National-Audubon-Society-American-Western/dp/0679428518/
Utah-Centric Books & Field Guides:
Tekiela, Stan, Birds of Utah Field Guide, Adventure Publications, Apr 21, 2003, https://www.amazon.com/Birds-Utah-Field-Guide-Tekiela/dp/1591930197/
Fenimore, Bill, Backyard Birds of Utah: How to Identify and Attract the Top 25 Birds, Gibbs Smith, March 27, 2008, https://www.amazon.com/Backyard-Birds-Utah-Identify-Attract/dp/1423603532/
Stokes, Donald & Lillian, Stokes Beginner’s Guide to Birds : Western Region, Little, Brown and Company, October 1, 1996, https://www.amazon.com/Stokes-Beginners-Guide-Birds-Western/dp/
Kavanagh, James, Utah Birds: A Folding Pocket Guide to Familiar Species (Wildlife and Nature Identification) Pamphlet, Waterford Press, September 1, 2017, https://www.amazon.com/Utah-Birds-Folding-Familiar-Naturalist/dp/1583551328/
Homel, Greg R, Birds of Utah: A Guide to Common & Notable Species (Common and Notable Species) Pamphlet, Quick Reference Publishing, Inc., February 1, 2012, https://www.amazon.com/Birds-Utah-Common-Notable-Species/dp/1936913267/