Please answer the following question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Xingu Antbird - The Xingu Antbird (Willisornis vidua) also known as the Xingu Scale-backed Antbird is a species of antbird from the south-eastern Amazon in Brazil. Until 2011 it was usually included as a subspecies of the Scale-backed Antbird. Its English name refers to the Xingu River. In addition to the nominate subspecies it includes the subspecies W. v. nigrigula.
A:
Animal