You mightn’t think that the life of a dung beetle, a creature who eats poop every day of its short life, could get any worse, but you’d be wrong. Dung beetles, also known as rollers, pretty much live in manure. They can be found in a variety of environments-deserts, prairies, forests-and they subsist on poop. Dung beetles provide a highly useful service to the environment and to us. How? By simply living their lives, these valuable insects conduct “ecosystem services” that are important to agriculture, such as redistributing nutrients in the soil, controlling pests and reducing greenhouse gasses. Yet, dung beetles are one of the most threatened terrestrial animal species; and one of the main threats is the excessive use of veterinary medical products that are excreted in dung.
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Source: Phys.org