The following are the National Audubon Society’s 20 common North American birds with the greatest population declines since 1967. Click on the name to view each individual profile at the Audubon web site to learn how you can help.

• Read the story: Audubon’s Christmas Bird Count in full flight

Bird Image: Ashok Khosla

#1 Northern Bobwhite: a chubby, robin-sized bird that runs along the ground in groups and is found in grasslands mixed with shrubs or widely spaced trees throughout much of the Eastern United States.

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