Tambopata Macaw Clay Lick by Jeff Cremer

Macaw Clay Lick in Tambopata Peru

Despite the fact that western scientists have known about clay lick use for over thirty years, our knowledge of clay lick use is still far from complete. In general there is still debate over why birds use the clay licks. While there is documented evidence that the clay in the soil can reduce the absorption of dietary toxins in to the blood, there is little evidence to support that the birds choose to consume soils based on their ability to protect from toxins. Instead, there is mounting evidence that the soils provide an important source of sodium.

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