Penguins have a gland above their eye that converts seawater into freshwater
You might know that penguins are some of the few birds that cannot fly. Still, there are many more interesting facts about these animals. There are currently eighteen recognized species of penguins around the world. At a quick glance, they look alike with white and black bodies, but they all have unique characteristics.
Penguins spend a lot of their day in seawater. So, they will often drink it. How are they able to do this? While some think that penguins turn salt water into fresh water, the truth is that their supraorbital gland has a water filter. This means that they simply are simply taking the salt out.