red-tailed

from The Collaborative International Dictionary of English v.0.48

Red-tailed \Red"-tailed`\ (-t?ld`), a.
   Having a red tail.
   [1913 Webster]

   {Red-tailed hawk} (Zool.), a large North American hawk
      ({Buteo borealis}). When adult its tail is chestnut red.
      Called also {hen hawck}, and {red-tailed buzzard}.
      [1913 Webster]