This particular whistle and others similar were used by tribes people indigenous to Central America, including Zapotec, Aztecs, and Mayans. It was
Mesoamerican Clay Flutes
Ocarinas
Mesoamerican Clay Flutes
Tezcat (Mockingbird) Clay Whistle by Nash Tavewa – Lark in the Morning
Introducing the Mayan Wind Maker by Nash Tavewa, a captivating instrument that allows you to create and control the sounds of nature., The Mayan Wind
Mayan Face Wind Maker by Nash Tavewa
Nash Tavewa – Lark in the Morning
Ocarinas
Ocarinas
Aztec Death Whistle by Nash Tavewa – Lark in the Morning
Ocarinas
Aztec Death Whistle by Nash Tavewa – Lark in the Morning
Death Whistle Quetzalcoatl Music
Eagle Bone Replica Whistle — Horizons Flute Store
Nash Tavewa – Lark in the Morning