Alternatively, the birds want soil which have larger levels of sodium. At a single clay lick website, on a specific bend on the Manu River, researchers observed parrots having one unique layer of soil which runs numerous meters horizontally alongside that bend. The parrots prevented consuming the layers earlier https://puertomaldonadotours.com/tour/macaw-clay-lick-deeper-in-amazon-jungle-lodge-2-days