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Artist David Allen Sibley is the author of the bestselling Sibley Guide to Birds, Sibley's Birding Basics, and Sibley guides to birds of eastern and western North America. His first article for Birder's World, a profile of St. Marks National Wildlife Refuge in Florida, appeared in our August 2006 issue. His column "ID Toolkit" appears in every issue of the magazine. Read more about David Allen Sibley  |
How the way a bird holds its legs in flight can change its appearance
By David Allen Sibley
Published: August 20, 2010 |
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Why bill color remains an important field mark for identifying Caspian and Royal Terns
By David Allen Sibley
Published: June 25, 2010 |
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How to use proportion, shape, and pattern to ID Cooper’s and Sharp-shinned Hawks
By David Allen Sibley
Published: April 23, 2010 |
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Paying attention to differences in behavior can help you recognize different subspecies
By David Allen Sibley
Published: February 19, 2010 |
 | Why it pays to look for the gape line first when studying birds’ head patterns
By David Allen Sibley
Published: December 28, 2009 |
 | Five fundamental feather groups determine the head pattern of nearly every songbird By David Allen Sibley
Published: October 23, 2009 |
 | David Allen Sibey's three keys to hawk ID By David Allen Sibley
Published: August 21, 2009 |
 | The best way to learn your shorebirds is to study them when they're close up By David Allen Sibley
Published: June 19, 2009 |
 | How watching birds sing can help you know them better By David Allen Sibley
Published: February 20, 2009 |
 | The difference is nothing more than the length of a bird's crown feathers By David Allen Sibley
Published: January 1, 2009 |
 | How to use movement and proportion to judge the size of birds By David Allen Sibley
Published: November 1, 2008 |
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