Why Do Flies Like Poop?

© Abel Tumik/Shutterstock.com

Written by Angie Menjivar

Published: April 27, 2023

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Ah, the things we ponder. It’s just one of the many questions that might pop into your head when you’re staring off into space. Then, you type it into a search engine and here you are! Discover why flies like poop, what other things they like, and how they stay clean considering what they’re into.

Housefly

Poop doesn’t pose any serious threat to flies the way it does to humans.

©Eric Isselee/Shutterstock.com

Why Do Flies Like Poop?

It’s hard for you to understand the attraction to poop because it doesn’t contain the fats, proteins, and minerals that you need to survive. But for flies, it’s a buffet. What you find repulsive (trash, rotting food, feces), flies get excited about. They consume the poop, basically. Not only that though, but some flies also look to poop as a great place to breed. Stable flies, for instance, use cat poop to lay their eggs.

Poop doesn’t pose any serious threat to flies the way it does to humans. It’s where they get their nutrients and they’re not the only ones. There are other insects that gravitate to feces like beetles, ticks, and fleas. Poop has a rather soft, moist consistency that flies like to settle in. It provides them with warmth, which is also why they like to give their eggs a cozy spot within the little valleys of poop piles.

fruit flies eating rotten fruit

A plump fruit that was alluring only a few days ago can turn into a gross, decaying mess. Flies like that.

©iStock.com/Andreas Häuslbetz

What Else Do Flies Like?

Generally, if it’s gross for you, flies are into it. A plump fruit that was alluring only a few days ago can turn into a gross, decaying mess. Flies like that. You’re picking up the mess your kids make and step onto dried, sticky soda stains on the floor — flies are all over it. You left your meat out on a hot, humid day and completely forgot about it. The smell slaps you in the face when you walk through the door. Yup, flies like that too. It’s why they’re often called “filth flies.” To each their own!

How Do Flies Clean Themselves?

Housefly rubbing limbs together cleaning its legs.

©Golubovy/Shutterstock.com

Considering how they’re constantly landing on and feeding off filthy matter, they must be dirty, right? Yes and no. On the one hand, you don’t want to eat anything that flies have gotten cozy on. They carry viruses and parasites, which can make you sick. On the other hand, flies are littered with tiny receptors that allow them to taste their food even before they eat it. They can’t just walk or fly around with all these different flavors all over their bodies. It’s why they pause, do that little rubbing-their-hands-together motion, and also clean their faces and eyes. So, while still gross to you, they do clean up often!


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About the Author

Angie Menjivar is a writer at A-Z-Animals primarily covering pets, wildlife, and the human spirit. She has 14 years of experience, holds a Bachelor's degree in psychology, and continues her studies into human behavior, working as a copywriter in the mental health space. She resides in North Carolina, where she's fallen in love with thunderstorms and uses them as an excuse to get extra cuddles from her three cats.

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