Northern raven

Corvus corax subfamily

Corvinae taxonomy

Corvus corax Linnaeus, 1758, Sweden. Eight subspecies may be recognized.

other common names

French: Grand corbeau; German: Kolkrabe; Spanish: Cuervo Común.

physical characteristics

22.62-26.91 in (58-69 cm); 2.02-3.43 lb (92-156 g). Plumage is glossy black. Prominent nasal bristles cover basal third of upper mandible. Long, heavy bill is black and the distal part of the culmen is strongly decurved. Legs and feet are also black.

distribution

Most widespread corvid found in most of the Northern Hemisphere.

habitat

A wide variety of habitats, generally open and away from human habitation, including treeless tundra.

behavior

Established pairs remain on large, usually well-spaced territories. The familiar guttural "krok" call is the most recognizable of a highly varied vocal repertoire.

feeding ecology and diet

Mainly carrion feeder, but also eats live prey and plant material. Powerful beak used to tear carrion apart and kill live animals. Often robs other predators of food. Seeds and berries seasonally important.

reproductive biology

Solitary nester, constructing enormous stick nest in tree or bush, on cliff ledge, or rarely on the ground. Lays three to seven eggs early spring. Incubation 18-21 days; fledging 35-42 days.

conservation status

Thinly distributed throughout range, but not at risk, despite often heavy persecution.

significance to humans

Mistakenly thought to kill healthy young livestock and consequently persecuted. ♦

Corvus orru I Resident

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