Portal:Birds/Selected species/10
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The Common Raven (Corvus corax), also known as the Northern Raven, is a large all-black passerine bird in the crow family. Found across the northern hemisphere, it is the most widely distributed of all corvids. There are eight known subspecies. It is one of the two largest corvids, and is possibly the heaviest passerine bird. Common Ravens typically live about 10 to 15 years in the wild, although lifespans of up to 40 years have been recorded. Young birds may travel in flocks, but later mate for life, with each mated pair defending a territory. The Common Raven has coexisted with humans for thousands of years. Part of its success comes from its omnivorous diet; Common Ravens are extremely versatile and opportunistic in finding sources of nutrition, feeding on carrion, insects and food waste, in addition to cereal grains, berries, fruit and small animals. Some remarkable feats of problem-solving have been observed in the species, leading to the belief that it is highly intelligent. Over the centuries, it has been the subject of mythology, folklore, art and literature in many cultures.