ITS THUNDERING TIME. SEASON FINALE YALL The thunderbird is a legendary creature in particular North American indigenous peoples' history and culture. It is considered a supernatural being of power and strength. It is especially important and frequently depicted in the art, songs, and oral histories of many Pacific Northwest Coast cultures, but is also found in various forms among some peoples of the American Southwest, East Coast of the United States, Great Lakes, and Great Plains. In modern times it has achieved notoriety as a purported cryptid, similar to creatures such as Bigfoot and the Loch Ness Monster.