Pedionomus

prop. n.
  1. A genus of birds including the plains wanderer (Pedionomus torquatus) of New South Wales as its only species. It is the only genus of the family Pedionomidae of the order Passeriformes and the plains wanderer is the only species in the family. The total world population (ca. 2000) is estimated to be 5 to 10 thousand.

See also http://www.philipmaher.com/plains.htm.