What is uirapuru?

Uirapuru is a legendary bird of South America, especially Brazil. It is known for its beautiful singing voice, which is often described as the most beautiful bird song in the world. The bird is also known for its plumage, which varies in color depending on the species. According to legend, the bird is shy and elusive and is only seen by the lucky few. The bird has been the subject of many stories and poems and is often depicted in Brazilian folklore. The name "uirapuru" is derived from the Tupi language and means "nightingale."