Why do mother birds eat their babies poop? | Stori  

Why do mother birds eat their babies poop?
When a newborn baby bird wants to poop, it turns its rear end to any parent available in the nest. It then releases a white bag of poop covered in mucous called fecal sac.
A fecal sac is essentially a diaper. It provides the parents with a very self-contained structure that allows them to easily pick up feces and remove them from the nest. It’s a way of getting rid of all this material that might otherwise smell and decompose. But some birds have evolved a more efficient method of dealing with fecal sacs: They swallow them.
Why? The best guess is that birds eat fecal sacs because nestling poop serves as a nutritional treat (a trait known as coprophagia). Parents will eat the feces because the nestlings cannot completely digest the food that they eat and there is still energy and nutrients available in those sacs.
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mother bird eat their babies fecal sac
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