Carroña es el nombre que recibe la carne podrida. Sirve de alimento a ciertos animales que se alimentan especialmente de cadáveres de animales no capturados por ellos mismos, por lo que son llamados carroñeros. La carroña comienza su descomposición desde el momento que muere el animal. Generalmente el proceso lo inician bacterias y hongos cuyos subproductos posteriormente acaban atrayendo a insectos y otros animales. Esto es debido a que poco después de la muerte del animal, su cuerpo emite un olor, nauseabundo para el ser humano, causado por la presencia de estos microorganismos y dos sustancias llamadas cadaverina y putrescina.

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Carrion (from the Latin "caro", meaning "meat") refers to the dead and decaying flesh of an animal. Carrion is an important food source for large carnivores and omnivores in most ecosystems. Examples of carrion-eaters (or scavengers) include vultures, hawks, eagles, hyenas, Virginia opossum, Tasmanian devils, coyotes, and Komodo dragons. Many invertebrates such as the carrion and burying beetles, as well as maggots of calliphorid flies and flesh-flies also eat carrion, playing an important role in recycling nitrogen and carbon in animal remains. Carrion begins to decay the moment of the animal's death, and it will increasingly attract insects and breed bacteria. Not long after the animal has died, its body will begin to exude a foul odor caused by the presence of bacteria and the emission of cadaverine and putrescine. Some plants and fungi smell like decomposing carrion and attract insects that aid in reproduction. Plants that exhibit this behavior are known as carrion flowers. Stinkhorn mushrooms are examples of fungi with this characteristic. Sometimes carrion is used to describe an infected carcass that is diseased and should not be touched. An example of carrion being used to describe dead and rotting bodies in literature may be found in William Shakespeare's play Julius Caesar: Cry 'Havoc,' and let slip the dogs of war;That this foul deed shall smell above the earthWith carrion men, groaning for burial.(III.i) Another example can be found in Daniel Defoe's Robinson Crusoe when the title character kills an unknown bird for food but finds "its flesh was carrion, and fit for nothing".

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