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David Sibley explains how to use nesting behavior to help identify birds

In most of North America, nesting behavior is common any time between April and July. You may not think of it as a field mark, but it can be helpful in the identification process, since it narrows the possibilities. You can start by noticing the signs of nesting. Almost any bird holding food or nesting … Read More "David Sibley explains how to use nesting behavior to help identify birds"
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David Sibley

David Sibley

David Sibley writes the column “ID Toolkit” in every issue of BirdWatching. He published the Sibley Guide to Birds in 2000, the Sibley Guide to Bird Life and Behavior in 2001, and Sibley’s Birding Basics in 2002. He is also the author of the Sibley Guide to Trees (2009), the Sibley Guide to Birds-Second Edition (2014), guides to birds of eastern and western North America (2016), and What It’s Like to Be a Bird (2020). He is the recipient of the American Birding Association’s Roger Tory Peterson Award for lifetime achievement in promoting the cause of birding and a recognition award from the National Wildlife Refuge System for his support of bird conservation.

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