Many examples are in museums around the world. Rattles, scraper and drums were also used. A whistle flute, sometimes called a fipple flute is a flute blown from the end. Air is sent through a simple mouthpiece against the sharp edge of a hole cut in the pipe below the mouthpiece. It can be made of clay, wood cane.
Finger holes make more than one pitch possible.
Whistle flutes were common. One example shows a flute made from bird bones. Clay flutes also survive. Ocarinas are flutes in the shapes of animals. The word ocarina comes from the Spanish, who settled in the Central American country of Costa Rica, rich in rain forest animals.