Raven

Taxonomy and classification

The genus Corvus was first formally described in the 18th century by Carl Linnaeus in his work Systema Naturae.^[1] Linnaeus designated the common raven (Corvus corax) as the type species of the genus, while also recording the carrion crow (Corvus corone), hooded crow (Corvus cornix), rook (Corvus frugilegus), and jackdaw (Corvus monedula).^[1] Originally, the genus also included the Eurasian magpie under the name Corvus pica before it was reassigned to a separate genus.^[1] Modern classifications recognize at least 42 living species and at least 14 extinct species within the genus.^[1] Birds belonging to Corvus do not form a single separate taxonomic group corresponding strictly to ravens, and there is no biological foundation for separating ravens from crows.^[2] Instead, larger species in the genus are colloquially termed ravens, whereas smaller species are referred to as crows.^[3] In French usage, the term corbeau is an ambiguous vernacular label encompassing various corvids of black plumage and stout beaks, including ravens, crows, rooks, jackdaws, and choughs of the genus Pyrrhocorax.^[4][5][6]

Etymology and collective nouns

The English noun raven historically referred specifically to the common raven (Corvus corax), the widespread species of the Northern Hemisphere.^[7] The modern English term shares cognates across all other Germanic languages, including Old Norse and modern Icelandic hrafn and Old High German (h)Raban, all deriving from the Proto-Germanic root *hrabanaz.^[8][9][10] The generic name Corvus originates from the Latin word corvus, meaning raven or black as a raven.^[11] In French, corbeau developed from the Old French corp, with the Anglo-Norman variant corf, by addition of the diminutive suffix -el, which subsequently evolved into -eau in modern French.^[12] The Old French corp derived from an unattested variant *corbu of the Latin corvus, with the archaic form corbiau surviving in regional dialects of western France.^[4][12] Following the migration period in the late 5th century, the Germanic root hram contributed to Frankish personal names and surnames such as Bertrand, Gontran, Audran, and Enguerrand, probably influenced by the mythic ravens Hugin and Munin.^[13][14] The offspring of a raven is termed a corbillat in French, while the chick of a crow is designated a cornillat.^[15][16] Collective nouns in English for a group of ravens include a conspiracy, a treachery, a rave, and an unkindness, although the term flock is most commonly used in ordinary practice.^[17][18][19]

Extant species

Living species that carry the raven designation include the white-necked raven (Corvus albicollis) of eastern and southern Africa, the common raven (Corvus corax) across the Northern Hemisphere, the Australian raven (Corvus coronoides) in Australia, the thick-billed raven (Corvus crassirostris) in the Horn of Africa, and the Chihuahuan raven (Corvus cryptoleucus) in the United States and Mexico. Additional extant species comprise the dwarf raven (Corvus edithae) of the Horn of Africa, the little raven (Corvus mellori) of southeastern Australia, the fan-tailed raven (Corvus rhipidurus) of eastern Africa and the Arabian Peninsula, the brown-necked raven (Corvus ruficollis) across North Africa and the Middle East, and the forest raven (Corvus tasmanicus) in Tasmania, southern Victoria, and northeastern New South Wales. The thick-billed raven and the common raven are recognized as the largest ravens and the largest species among all passerines.^[20][21]

Extinct species and color morphs

Several extinct species and morphs of ravens have been documented. Corvus moriorum represents an extinct species from the Chatham Islands, while Corvus antipodum was an extinct raven native to New Zealand. An extinct color morph of the North Atlantic subspecies of the common raven, known as the pied raven or Corvus corax varius morpha leucophaeus, previously occurred in the Faroe Islands.

Physical characteristics and distribution

Ravens are characterized morphologically by large beaks, stout bodies, and black plumage, which may be entirely black or predominantly black with patches of white or gray.^[4] In certain populations, ravens have downy plumage on their necks and produce a deep, harsh call. Members of the genus Corvus have a characteristic croaking vocalization, termed graktanje in Bosnian.^[22] Body measurements vary across species: the common raven reaches an average length of 69 centimeters (22 to 27 inches) with a body weight ranging between 0.69 and 1.63 kilograms (1.5 to 3.6 pounds), while other accounts record an approximate body length of 60 centimeters.

Geographic distribution

Ravens inhabit all major continental landmasses with the exception of South America, Antarctica, and various remote oceanic islands. Populations are documented across Europe, Asia, Africa, North America, and Australia. In the Northern Hemisphere, ravens occupy temperate zones across North America, excluding the southeastern regions and territories south of Mexico.^[23] They are found in southern Greenland and across Europe, with the exception of northern Germany.^[23] Their range also extends across southwestern Asia including Anatolia and the northern Arabian Peninsula, northern Asia excluding the Taymyr Peninsula, Central Asia, portions of South Asia, western and southwestern China, and northern Africa.^[23]

Behavior and ecology

Ravens are omnivorous foragers and opportunistic scavengers capable of securing food resources independently. Their diet includes plant seeds, fruits such as berries, insects, decaying food, and animal carcasses. They also capture small mammals, including voles, and consume agricultural insect pests.^[24] In forest habitats and open landscapes, their habit of caching uneaten seeds promotes natural reforestation.^[24] By consuming the remains of dead animals, ravens help limit the spread of disease.^[24]

Intelligence and social behavior

Corvids, including ravens, are evaluated by researchers as among the most intelligent birds in the world.^[25][26] Their cognitive capacities have been compared to those of human children aged two to five years, exhibiting advanced problem-solving skills, curiosity, and interest in games.^[27] Ravens demonstrate social organization, empathy toward conspecifics, and the capacity to communicate using visual signs.^[27] They can mimic sounds, including elements of human speech. Field studies and behavioral experiments indicate that ravens and related corvids can distinguish and remember individual human faces, altering their behavioral responses according to previous personal interactions.^[28] Additionally, related corvids such as the New Caledonian crow (Corvus moneduloides) have demonstrated the rare animal capability of manufacturing and manipulating tools to extract food.^[29]

Lifespan and health

In the wild, ravens generally have a lifespan of 10 to 15 years, although longevity can exceed 30 years, and the oldest documented individual attained approximately 40 years.^[25] Because their scavenging diet includes decaying waste and carcasses, ravens can carry enteric pathogens that cause diarrheal diseases in humans. In addition, like many bird species, ravens can serve as vectors for psittacosis.

Relationship with humans

Ravens have lived in close proximity to human settlements for thousands of years. While they provide ecological benefits, their presence also has a negative side, as they damage property and disturb people.^[25] Ravens have historically been viewed by agricultural authorities and game managers as destructive pests threatening domestic and wild bird populations, resulting in eradication campaigns using firearms and traps. Field evaluations have demonstrated, however, that the predatory impact of corvids on their potential prey populations is overall limited.^[30] Human alterations to habitats, including agricultural monocultures, intensive livestock farming, and the creation of open landfill dumps, have often destabilized the environment of ravens.

Hunting practices and equipment

Hunters targeting ravens have historically cited the protection of game species, the prevention of crop damage, and concerns over disease transmission. However, their primary role as carrion feeders in natural ecosystems tends to suppress rather than promote the spread of infectious animal diseases. Dedicated hunting gear has been developed for targeting corvids, including specialized raven calls consisting of whistles that imitate corvid vocalizations, as well as camouflage hides (affuts) designed to blend into the surrounding vegetation to prevent detection by the birds.^[31] Ravens have rarely been hunted for human consumption, except during periods of extreme famine, because their flesh is widely considered inedible without protracted cooking.

French legal regulation

In France, the legal status of ravens has undergone significant revision, with earlier regulatory frameworks being abrogated from 4 November 1989.^[32] Under modern French hunting law, shooting birds directly within their nests is prohibited, and the destruction of rooks requires specific prefectural authorization.^[33] The earlier rules had been set out in Decree 88-940 of 30 September 1988.^[32][34][35] Under that former decree, departmental prefects held authority, after consulting the general council, to order the destruction of nests belonging to ravens and magpies deemed harmful to agricultural harvests.^[34] The decree obligated landowners, tenants, sharecroppers, and land users to carry out the destruction of nests in accordance with the law of 24 December 1888 regarding agricultural pests.^[34] Firearm-based culling of ravens and magpies was likewise regulated departmentally by prefectural hunting orders following council advice.^[35]

Maritime navigation

Historical accounts record that Viking navigators made use of ravens during seafaring voyages. Navigators released ravens while out at sea; if dry land lay within a distance of 200 miles, the released bird would orient itself and fly directly toward the coastline, guiding the vessel toward shore.

Cultural depictions

In Western culture, the raven's scavenging habits have given it a negative reputation today. However, ravens have also held revered positions in European tradition. In Norse mythology, the god Odin was accompanied by two ravens, Hugin and Munin, representing thought and memory respectively, who served as divine messengers and symbols of wisdom.^[13][36] In England, captive ravens are maintained at the Tower of London under historic royal tradition. Among numerous Indigenous First Nations of North America, the raven holds a foundational role in creation narratives and oral traditions, appearing both as a spiritual messenger between the living and spirit worlds and as a clever trickster figure whose deeds disrupt established patterns to reshape the physical world.^[37][38]

Language and architecture

The raven has given rise to distinctive cultural metaphors and architectural terminology. In French judicial and journalistic terminology, the word corbeau is applied to the anonymous author of accusatory letters, known formally as an anonymographe. This linguistic usage was reinforced in popular culture following the release of Henri-Georges Clouzot's 1943 French cinematic drama Le Corbeau. In architectural construction, the French term corbeau is used to designate a bracket or corbel projecting from a masonry wall to support weight, while encorbellement designates corbelling; both terms descend from the Old French corbel, recalling the image of a perched raven resting upon the summit of a stone wall.

References

1. Linnaeus, C (1758). Systema naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Tomus I. Editio decima, reformata (jezik: latinski). Holmiae. (Laurentii Salvii). str. 824. Arhivirano s originala, 19. 3. 2015. Pristupljeno 6. 12. 2008.
2. Kamis; Oktober 2021, 21 Oktober 2021 18:45 WIB 21; Wib, 18:45 (2021-10-21). "Sama-sama Gagak, Ini Perbedaan Crow dan Raven yang #KAMUHARUSTAU". indozone.id. Diarsipkan dari versi aslinya tanggal 2023-01-29. Diakses tanggal 2023-01-29.
3. Мишић, Милан, ур. (2005). Енциклопедија Британика. В-Ђ. Београд: Народна књига : Политика. стр. 85. ISBN 86-331-2112-3.
4. Informations lexicographiques et étymologiques de « corbeau » dans le Trésor de la langue française informatisé, sur le site du Centre national de ressources textuelles et lexicales
5. « Corbeau », dans le Dictionnaire de l'Académie française, Centre national de ressources textuelles et lexicales
6. Serge Jodra, « Les Corbeaux », sur Imago Mundi, 2007 (consulté le 6 janvier 2013) : « le nom de Corbeaux peut être appliqué à deux genres de Passeriformes »
7. Chmielewski, Jerry G. (2016-07-15). A Guide to Common Animals of Western North America (dalam bahasa Inggris). Author House. ISBN 978-1-5246-1057-9. Diarsipkan dari versi aslinya tanggal 2023-01-29. Diakses tanggal 2023-01-29.
8. Oxford English Dictionary entry for "raven".
9. Simpson, J.; Weiner, E., eds. (1989). "Raven". Oxford English Dictionary (2nd ed.). Oxford: Clarendon Press. ISBN 0-19-861186-2.
10. "Raven". Online Etymology Dictionary. Retrieved 14 May 2007.
11. Simpson, D.P. (1979). Cassell's Latin Dictionary (5 izd.). London: Cassell Ltd. str. 883. ISBN 0-304-52257-0.
12. Albert Dauzat, Jean Dubois et Henri Mitterand, Nouveau dictionnaire étymologique et historique, 2e éd., Paris, Larousse, 1971 (1e éd., 1938), p.199a
13. Henriette Walter, Pierre Avenas, La mystérieuse histoire du nom des oiseaux, Robert Laffont, 2010 (lire en ligne), p. 88. | //books.google.com/books?id=swKWqLuHGsgC
14. (en) Hans Bahlow, Dictionary of German Names, University of Wisconsin Press, 2002, p. 237.
15. « corbillat - Académie 9e édition » , sur www.cnrtl.fr
16. « corbillat - Académie 9e édition » , sur www.cnrtl.fr
17. Lipton, James (1991). An Exaltation of Larks. Viking Press. ISBN 978-0-670-30044-0.
18. Walker, Niccoy (15 February 2023). "What is a Group of Ravens Called?". A-Z Animals.
19. "flock of ravens, unkindness of ravens, treachery of ravens, conspiracy of ravens". Google Books Ngram Viewer. Retrieved 5 January 2020.
20. Knight, Richard L.; Call, Mayo W. (1980). The Common Raven (dalam bahasa Inggris). U.S. Department of the Interior, Bureau of Land Management. Diarsipkan dari versi aslinya tanggal 2023-01-29. Diakses tanggal 2023-01-29.
21. Syvertsen, P. O., Ree, V., Hansen, O. B., Syvertsen, Ø., Bergan, M., Kvam, H., Viker, M. & Axelsen, T. 2008. Virksomheten til Norsk navnekomité for fugl (NNKF) 1990-2008. Norske navn på verdens fugler. Norsk Ornitologisk Forening sin nettstad (publisert 22.5.2008)
22. Grünter Dodrowski, Paul grebe u.A.: Duden. Etymologie. Herkunftswörrterbuch der deutschen sprache. Bibliographisches Institut Mannheim, Wien Zürich. Dudenverlag 1963 ISBN 3-411-00907-1
23. Common Raven (ในภาษาอังกฤษ)
24. « Corneille noire ou Corbeau freux ? », sur www.lpo.fr (consulté le 5 juin 2022)
25. นกเรเวนและอีกา
26. Ravenสืบค้นจากสารานุกรมบริตานิกา
27. « 9 choses fascinantes et méconnues à savoir sur les corbeaux, ces magnifiques oiseaux qui souffrent malheureusement d'une mauvaise réputation... », Demotivateur.fr,‎ 2016 (lire en ligne, consulté le 25 avril 2018)
28. "Ravens can remember people who have wronged them". National Geographic.
29. (en) Christian Rutz, « Tool bending in New Caledonian crows », Royal Society Open Science,‎ 10 août 2016 (lire en ligne)
30. Christine F. Madden, Beatriz Arroyo et Arjun Amar, « A review of the impacts of corvids on bird productivity and abundance », Ibis, vol. 157, no 1,‎ janvier 2015, p. 1–16 (DOI 10.1111/ibi.12223)
31. « Homepage [fr-FR] », Solognac,‎ 17 novembre 2016 (lire en ligne, consulté le 19 mars 2018)
32. « Décret no 88-940 du 30 septembre 1988 relatif à la destruction des animaux classés nuisibles en application du premier alinéa de l'article 393 du code rural », sur www.legifrance.gouv.fr (consulté le 5 juin 2022)
33. « Dégâts causés aux cultures par les corvidés - Sénat », sur www.senat.fr (consulté le 5 juin 2022)
34. « La chasse dans tous ses états avec le Chasseur Du Dimanche », sur www.chasseurdudimanche.com (consulté le 12 mars 2018)
35. Legifrance, « Accueil | Légifrance, le service public de l'accès au droit », sur www.legifrance.gouv.fr (consulté le 12 mars 2018)
36. Jackie Chappell, « Living with the Trickster: Crows, Ravens, and Human Culture », PLoS Biology, vol. 4, no 1,‎ 2006, e14 (résumé)
37. « L’art-corbeau d’Eruoma Awashish – TicArtToc », sur Érudit (consulté le 22 mars 2026)
38. « Saviez-vous que? avec l'artiste innu Donavan Vollant », sur Musée McCord Stewart (consulté le 22 mars 2026)