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This cover image released by Atria shows "What the Chicken Knows: A New Appreciation of the World's Most Familiar Bird" by Sy Montgomery. (Atria via AP)

This cover image released by Atria shows "What the Chicken Knows: A New Appreciation of the World's Most Familiar Bird" by Sy Montgomery. (Atria via AP)

This cover image released by Atria shows "What the Chicken Knows: A New Appreciation of the World's Most Familiar Bird" by Sy Montgomery. (Atria via AP)

This cover image released by Atria shows "What the Chicken Knows: A New Appreciation of the World's Most Familiar Bird" by Sy Montgomery. (Atria via AP)