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Dung-beetle

Dung beetle
Scarabaeus viettei 01.jpg
Scarabaeus viettei (syn. Madateuchus viettei, Scarabaeidae) in dry spiny forest close to Mangily, western Madagascar
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Suborder: Polyphaga
Superfamily: Scarabaeoidea (in part)
Family: Scarabaeidae

Dung beetles are beetles that feed partly or exclusively on dung. A dung beetle can bury dung 250 times heavier than itself in one night.

Many dung beetles, known as rollers, roll dung into round balls, which are used as a food source or breeding chambers. Others, known as tunnelers, bury the dung wherever they find it. A third group, the dwellers, neither roll nor burrow: they simply live in manure. They are often attracted by the dung collected by burrowing owls. Dung beetles can grow to 3 cm long and 2 cm wide.

All the species belong to the superfamily Scarabaeoidea; most of them to the subfamilies Scarabaeinae and Aphodiinae of the family Scarabaeidae (scarab beetles). As most species of Scarabaeinae feed exclusively on feces, that subfamily is often dubbed true dung beetles. There are dung-feeding beetles which belong to other families, such as the Geotrupidae (the earth-boring dung beetle). The Scarabaeinae alone comprises more than 5,000 species.

Dung beetles are currently the only known non-human animal to navigate and orient themselves using the Milky Way.

Dung beetles are not a single taxonomic group; dung feeding is found in a number of families of beetles, so the behaviour cannot be assumed to have evolved only once.

Dung beetles live in many habitats, including desert, farmland, forest, and grasslands. They do not prefer extremely cold or dry weather. They are found on all continents except Antarctica. They eat the dung of herbivores and omnivores, and prefer that produced by the latter. Many of them also feed on mushrooms and decaying leaves and fruits. One type living in Central America, , is a carnivore preying upon millipedes. Those that eat dung do not need to eat or drink anything else, because the dung provides all the necessary nutrients.


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Wikipedia

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