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A raven is any of several larger-bodied passerine bird species in the genus Corvus. These species do not form a single taxonomic group within the genus. There is no consistent distinction between crows and ravens; the two names are assigned to different species chiefly based on their size.
Corvidae is a cosmopolitan family of oscine passerine birds that contains the crows, ravens, rooks, magpies, jackdaws, jays, treepies, choughs, and nutcrackers. [1] [2] [3] In colloquial English, they are known as the crow family or corvids. Currently, 139 species are included in this family.
The common raven or northern raven (Corvus corax) is a large all-black passerine bird. It is the most widely distributed of all corvids , found across the Northern Hemisphere . There are 11 accepted subspecies with little variation in appearance, although recent research has demonstrated significant genetic differences among populations from ...
Hooded crow (Corvus cornix) in flight Jungle crow (Corvus macrorhynchos) scavenging on a dead shark at a beach in Kumamoto, Japan. Medium-large species are ascribed to the genus, ranging from 34 cm (13 in) of some small Mexican species to 60–70 cm (24–28 in) of the large common raven and thick-billed raven, which together with the lyrebird represent the larger passerines.
The pied crow (Corvus albus) is a widely distributed African bird species in the crow genus of the family Corvidae. Structurally, the pied crow is better thought of as a small crow-sized raven, especially as it can hybridise with the Somali crow (dwarf raven) where their ranges meet in the Horn of Africa .
The proportions resemble the common raven with a heavy bill, but is about the same size as a carrion crow, or slightly larger than the American crow (44–51 cm (17–20 in) long). The plumage is all-black with a rich purple-blue gloss in good light.
The genus contains 50 species: [1] Corvus splendens Vieillot, 1817 – house crow or Indian house crow (Indian subcontinent, Southeast Asia, Middle East, eastern Africa); Corvus moneduloides Lesson, RP, 1831 – New Caledonian crow (New Caledonia)
Crows are also considered ancestors in Hinduism, and during Śrāddha the practice of offering food or pinda to crows is still in vogue. [26] The Hindu deity Shani (divine personification of Saturn) is often represented as being mounted on a giant black raven or crow. [27] The crow (sometimes a raven or vulture) is Shani's Vahana. As a ...