41 cm (16") Rare. Short grass prairies.
Similar to larger Greater Prairie-chicken but has finer barring below and males have a different color neck sack.
Spectacular courtship display given by males in which they inflate purplish red neck sacks and make "booming" sounds to attract females.
Videos
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Credit: Linda Rockwell
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Credit: tulsaworld
Images

Credit: Larry Lamsa

Credit: Larry Lamsa