
The colour of bird poo
Bird poo is usually coloured white—because of the way birds excrete excess nitrogen. But the poo can sometimes be a different colour—because of their diet. Creatures have evolved three main ways of getting rid of excess nitrogen.
Great Moments In Science · Australian Broadcasting Corporation
December 7, 20216m 34s
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Show Notes
Bird poo is usually coloured white—because of the way birds excrete excess nitrogen. But the poo can sometimes be a different colour—because of their diet. Creatures have evolved three main ways of getting rid of excess nitrogen.
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