Bird Identification Archive

How the sizes of birds’ various feathers influence color patterns

By David Sibley
Published November 19, 2021

To understand birds better, take a closer look at feathers.

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By Kenn Kaufman, Brian E. Small
Published November 9, 2021

Learn how to distinguish this small diving duck in its distinct winter and summer plumages.

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By David Sibley
Published October 15, 2021

David Sibley warns of the tricks light can play on birders when it comes to identification.

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By Kenn Kaufman, Brian E. Small
Updated November 9, 2021

Use this advice to distinguish Eastern Bluebirds from Mountain and Western.

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By Sneed B. Collard III
Published September 17, 2021

Learn how a smartphone app is revolutionizing birders’ ability to contribute to scientific research. Read More “BirdNET app is a game-changer for bird research”

By Kenn Kaufman, Brian E. Small
Published September 14, 2021

Use this advice to distinguish North America’s smallest plover from its similar-looking relatives.

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By David Sibley
Published July 9, 2021

How feathers react after a drenching can affect our perceptions of birds’ appearances.

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By Kenn Kaufman, Brian E. Small
Published May 7, 2021

Eastern and Western Wood-Pewees divide the lower 48 states almost in half. Here’s how to distinguish between the two and other related species.

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By David Sibley
Published May 4, 2021

Use these tips to identify two of the most prominent groups of streaky brown birds.

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By Sneed B. Collard III
Published April 30, 2021