Cactus wren

from WordNet (r) 3.0 (2006)

cactus wren
    n 1: large harsh-voiced American wren of arid regions of the
         United States southwest and Mexico

from The Collaborative International Dictionary of English v.0.48

Cactus \Cac"tus\, n.; pl. E. {Cactuses}, {Cacti} (-t[imac]).
   [L., a kind of cactus, Gr. ??????.] (Bot.)
   Any plant of the order {Cactac[ae]}, as the prickly pear and
   the night-blooming cereus. See {Cereus}. They usually have
   leafless stems and branches, often beset with clustered
   thorns, and are mostly natives of the warmer parts of
   America.
   [1913 Webster]

   {Cactus wren} (Zool.), an American wren of the genus
      {Campylorhynchus}, of several species.
      [1913 Webster]