Some scientists have worked out how much pressure is required by penguins to shoot there poo away from their nests, about 60 kilo-pascals. This is about the pressure you would experience if you were swimming 6 meters under water!
This research was published as
Pressures produced when penguins pooh - calculations on avian defaecation by Victor Benno Meyer-Rochow and Jozsef Gal in Polar Biology, 2003.
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