thepenguinproject / tumblr.com, Helixitta / Wikipedia, Tiny Fox Lab
Penguins, and other marine birds, have a supraorbital gland above their eye socket that breaks down sodium in their bloodstream. Which allows them to remove salt from saltwater and make it fresh water for them to survive. – Tiny Fox Lab Facts
Preview photo credit: thepenguinproject / tumblr.com, Helixitta / Wikipedia
Source: https://en.wikipedia.org/wiki/Supraorbital_gland
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