variants:
or less commonly Attwater’s greater prairie chicken
Definition of Attwater's prairie chicken
: an endangered grouse (Tympanuchus cupido attwateri) found in the coastal prairie region of Texas that is a subspecies of the greater prairie chicken (Tympanuchus cupido) but is distinguished by its smaller size and slightly darker coloration
The Attwater's prairie chicken once was found over 6 million acres of coastal prairie that stretched from South Texas to western Louisiana. Today, the prairie chicken's population has shrunk from about 1 million birds to only 58 wild birds.— Bob Hood, Fort Worth Star-Telegram, 24 Apr. 1997
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Merriam-Webster unabridged
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The first known use of Attwater's prairie chicken was in 1907
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