Thick-billed Raven

Corvus crassirostris

A huge raven with a massive, bulging bill. There is a white patch on the back of the head and another at the tip of the dark bill. Found from middle to high elevations in a variety of habitats, including grassland, woodland, moorland, rocky areas, towns, and cities. Somewhat like Fan-tailed Raven, but much larger, with a white patch on the head. Large enough to be confused with raptors, but more uniformly black than any raptor. The call is a rattling “g-r-r-r-r-r,” lower and rougher than typical crow and raven vocalizations. 

Identification

The thick-billed raven (Corvus crassirostris) is a large passerine bird in the family Corvidae. It is endemic to the Horn of Africa, including parts of Ethiopia, Eritrea, Sudan, and Somalia. The thick-billed raven shares with the common raven the distinction of being the world's largest corvid.

Taxonomy

Genus: Corvus; Family: Corvidae; Order: Passeriformes.

Scientific name
Corvus crassirostris
Authority
Rüppell, 1836
Order
Passeriformes
Family
Corvidae
Genus
Corvus

Range and habitat

Its range covers Eritrea, Somalia and Ethiopia; its habitat includes mountains and high plateau between elevations of 1,500 to 3,400 metres. It is one of several avian species endemic to northeastern tropical Africa.

Migration
Resident species

Behavior

Migration pattern: Resident species.

Conservation

Population trend: stable.

Population trend
stable

Photos

Distribution

Other Birds

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Campina Thrush

Turdus arthuri

A drab thrush, uncommon in open habitats and woodlands in the lowlands. Nondescript grayish-brown with a pale whitish belly. Sexes similar. Usually seen singly or in pairs. Song is a typical thrushlike series of musical phrases. Similar to Pantepui Thrush but separated by grayer body, stronger throat pattern, and different habitat.

Greater Lophorina

Greater Lophorina

Lophorina latipennis

A fairly large bird of mid-montane forest, including disturbed areas with Casuarinas. Male, mainly black plumage with 2 remarkable erectile fans which are lifted up over the head during its display, metallic, blue-green, trapezium-shaped breast shield and patches above the eyes. Female has a gray-brown back with rufous flight feathers, barred underparts, a broad, black eye-stripe and white eye-brow. Female similar to female parotias, but is slightly smaller and has a dark eye. Female also similar to female Magnificent Bird-of-Paradise but is larger and has a black bill. The male’s yellow-green interior of the mouth is visible whilst it gives its piercing nasal screech.

American Avocet

American Avocet

Recurvirostra americana

Distinctive large shorebird with a long, thin, upturned bill. Look for bold black-and-white wings and long blue-gray legs. Breeding adults have buffy-orange wash on head and neck; grayish in winter. Females have more sharply upturned bills than males. Widespread and fairly common in North America, although rare or absent from much of the eastern U.S. Usually seen in flocks, sometimes numbering into the hundreds, foraging in shallow wetlands or estuaries. Feeds by swinging its head back-and-forth through the water to catch small invertebrates.

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