The William's Toad-head Turtle seems largely confined to northeastern Argentina, and is here seen at the Guira Oga wildlife rescue center in Iguazu. The local name is Tortuga Herradura. www.dixpix.ca/Amazon/fauna/riverlife/index.html
At the Guira Oga wildlife rescue center in Iguazu, Argentina, this is the South America Snake-neck Turtle, or in Spanish, Tortuga Cuello de Serpiente. It ranges from here into southern Brazil. www.dixpix.ca/Amazon/fauna/riverlife/index.html