Rhea Americana

from WordNet (r) 3.0 (2006)

Rhea americana
    n 1: larger of two tall fast-running flightless birds similar to
         ostriches but three-toed; found from Brazil to Patagonia
         [syn: {rhea}, {Rhea americana}]

from The Collaborative International Dictionary of English v.0.48

Rhea \Rhe"a\, n. [L., a proper name.] (Zool.)
   Any one of three species of large South American ostrichlike
   birds of the genera {Rhea} and {Pterocnemia}. Called also the
   {American ostrich}.
   [1913 Webster]

   Note: The common rhea, or nandou ({Rhea Americana}), ranges
         from Brazil to Patagonia. Darwin's rhea ({Pterocnemia
         Darwinii}), of Patagonia, is smaller, and has the legs
         feathered below the knee.
         [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Nandou \Nan"dou\, Nandu \Nan"du\, n. [Braz. nhandu or yandu.]
   (Zool.)
   Any one of three species of South American ostriches of the
   genera {Rhea} and {Pterocnemia}, especially the smallest,
   {Pterocnemia pennata} (formerly {Rhea Americana}), called
   also the {common rhea}. They are tall fast-running flightless
   birds similar to ostriches but three-toed, found from Peru to
   the Straits of Magellan. See {Rhea}. [Written also {nandow}.]
   [1913 Webster + WordNet 1.5]