The Niata or Ñata is an extinct breed of dwarf cattle from Uruguay and Argentina. It was observed and described by Charles Darwin in the 1830s. One was exhibited at the in Buenos Aires in April 1890. By the early twentieth century the Niata was nearly or completely extinct. History An early description of the Niata is that from November 1833 by Charles Darwin, who twice saw cattle of this type. George Ernest Gibson bought two in 1889, one of which was exhibited at the in Buenos Aires in April 1890. By the early twentieth century it was nearly or completely extinct. References Extinct cattle breeds Cattle breeds originating in Argentina Cattle breeds originating in Uruguay Cattle breeds