In every way it is adapted to the conditions of the pampas in a far greater degree than other pampean birds, only excepting the rufous and spotted tinamous.    From Wordnik.com.  [The Naturalist in La Plata] Reference

The most characteristic pampean birds are the tinamous -- called partridges in the vernacular -- the rufous tinamou, large as a fowl, and the spotted tinamou, which is about the size of the English partridge.    From Wordnik.com.  [The Naturalist in La Plata] Reference