Habitat and Ecology
it inhabitats open country with villages and towns nearby.
Molecular Biology and Genetics
Statistics of barcoding coverage: Corvus albus
Public Records: 1
Specimens with Barcodes: 1
Species With Barcodes: 1
Barcode data: Corvus albus
Below is the sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species.
See the BOLD taxonomy browser for more complete information about this specimen.
Other sequences that do not yet meet barcode criteria may also be available.
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IUCN Red List Assessment
Red List Category
Red List Criteria
- 2012Least Concern
Structurally, the pied crow is better thought of as a small crow-sized Raven (except the lack of throat hackles, fan-shaped tail and other more crow-like traits), Especially as it can hybridise with the Somali crow (sometimes called the Dwarf Raven) where their ranges meet in the Horn of Africa. Its behaviour, though, is more typical of the Eurasian carrion crows, and it may be a modern link (along with the Somali crow) between the Eurasian crows and the common raven.
It is approximately the size of the European carrion crow (46–50 cm in length) but has a longer bill, slightly longer tail and wings, and longer legs. As its name suggests, its glossy black head and neck are interrupted by a large area of white feathering from the shoulders down to the lower breast but the tail, bill and wings are black. The eyes of a fully matured bird are dark brown. The white plumage of immature birds is often mixed with black. It resembles the White-necked and thick-billed ravens but is much smaller, less stocky and has a smaller bill.
In southern Africa the range overlaps with the white-necked raven. The pied crow is smaller and has a white chest and belly with a black, more delicate beak compared to the black chest and belly of the larger white-necked raven which also has a white tipped and weightier beak.
The pied crow was first described in 1776 by Statius Muller. Its specific name is the Latin adjective albus, meaning "white".
Distribution and habitat
This species, Africa's most widespread member of the genus Corvus, occurs from Sub-Saharan Africa, specifically Senegal, Sudan, Somalia and Eritrea down to the Cape of Good Hope and on the large island of Madagascar, the Comoros islands, Aldabra group islands, Zanzibar, Pemba and Fernando Po. It inhabits mainly open country with villages and towns nearby. It does not occur in the equatorial rainforest region. It is rarely seen very far from human habitation, though it is not as tied to the urban way of life as the house crow (Corvus splendens) of Asia, and may be encountered far from human habitation in Eritrea.
Pied crows are generally encountered in pairs or small groups, although an abundant source of food may bring large numbers of birds. The species behaves in a similar manner to the hooded and carrion crows. In Dakar, birds have been observed mobbing passing ospreys and snake eagles but avoiding black kites.
All of its food is obtained from the ground such as insects and other small invertebrates, small reptiles, small mammals, young birds and eggs, grain, peanuts, carrion and any scraps of human food and sometimes fruit. It has been recorded killing and eating roosting fruit bats and is frequently seen scavenging around slaughterhouses in large numbers.
The nest is usually built in tall, isolated trees, though sometimes smaller ones are used, depending on availability. The cross supports of telephone poles are also frequently used, and both sexes build the nest. A clutch of 3–6 eggs is laid from September to November (depending on latitude) and are pale green spotted with various shades of brown. The eggs are normally covered when the incubating female leaves the nest. Incubation is 18–19 days and the young are usually fledged by around 45 days. Both sexes rear the young.
- BirdLife International (2013). "Corvus albus". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 26 November 2013.
- Goodwin, p. 132
- Roberts' Birds of Southern Africa. The John Voelker Bird Book Fund. p. 474. ISBN 0-620-17583-4.
- Roberts' Birds of Southern Africa. The John Voelker Bird Book Fund. pp. 474–477. ISBN 0-620-17583-4.
- Goodwin, p. 134
- Goodwin, p. 133
- Goodwin, pp. 132-33