Given the 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. Kaempfer's Woodpecker - The Kaempfer's Woodpecker (Celeus obrieni) also known as Piaui Woodpecker is a species of woodpecker from Brazil. The type specimen a female was collected in the Brazilian state of Piaui in 1926. No other individuals were collected or seen and the bird was feared extinct until a male was captured by Advaldo Dias do Prado during mist netting in 2006 in the state of Tocantins.
The answer is:
Animal