Verreaux's coua (''Coua verreauxi'') is a species of
cuckoo
Cuckoos are birds in the Cuculidae family, the sole taxon in the order Cuculiformes . The cuckoo family includes the common or European cuckoo, roadrunners, koels, malkohas, couas, coucals and anis. The coucals and anis are sometimes separ ...
in the family
Cuculidae
Cuckoos are birds in the Cuculidae family, the sole taxon in the order Cuculiformes . The cuckoo family includes the common or European cuckoo, roadrunners, koels, malkohas, couas, coucals and anis. The coucals and anis are sometimes separ ...
. It is
endemic
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...
to
Madagascar
Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa ...
. According to a BBC documentary, it is found only near a salt lake in the southern part of the island. The lake is 16 km long but only a couple of metres deep. The area has been drying out for the last 40,000 years and the organisms living here have become adapted to conserve water.
[BBC, ''Zoo Quest: Island of Marvels,'' Part 3]
Video clip, 0:06:50 – 0:08:35, Verreaux's coua
/ref>
The bird's name commemorates French ornithologist and collector Jules Verreaux
Jules Pierre Verreaux (24 August 1807 – 7 September 1873) was a French botanist and ornithologist and a professional collector of and trader in natural history specimens. He was the brother of Édouard Verreaux and nephew of Pierre Antoine Dela ...
.
Its natural habitat
In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical ...
is subtropical or tropical dry shrubland
Shrubland, scrubland, scrub, brush, or bush is a plant community characterized by vegetation dominated by shrubs, often also including grasses, herbs, and geophytes. Shrubland may either occur naturally or be the result of human activity. It m ...
. The birds are found in southern part of the spiny forest zone. They live in coastal euphorbia
''Euphorbia'' is a very large and diverse genus of flowering plants, commonly called spurge, in the family Euphorbiaceae. "Euphorbia" is sometimes used in ordinary English to collectively refer to all members of Euphorbiaceae (in deference to t ...
scrub, and are most active at dawn and dusk. Birders listen for its descending series of loud contact calls, "corick-corick-corick-corick". A sympatric species is the crested coua
The crested coua (''Coua cristata'') is a common medium sized bird member of the cuckoo family, Cuculidae. It is endemic to Madagascar, mainly found in the coastal regions of the island. The crested coua is a weak flyer, so it will often be obser ...
, ''C. cristata.''[BirdLife International (2011) Species factsheet: ''Coua verreauxi''. Downloaded from http://www.birdlife.org](_blank)
Retrieved 2011-12-04.
Identification
The species is described thus: "A small, greyish arboreal coua. Overall mid-grey, whitish on lower breast and belly, and darker on flight-feathers. Tail dark greyish, long and tipped whitish on outer feathers. Head with long, dark-tipped crest, pale blue bare skin around eye and black bill."
Distribution and habitat
Verreaux's coua is endemic to the southwestern tip of Madagascar within the spiny forest zone. Its typical habitat is thick scrub on coral rag
Corals are marine invertebrates within the class Anthozoa of the phylum Cnidaria. They typically form compact colonies of many identical individual polyps. Coral species include the important reef builders that inhabit tropical oceans and sec ...
but it also occurs in other habitat types including within degraded areas.
Behaviour
The bird forages for invertebrates among trees and bushes and on the ground. It also eats Cassia fruit. It occurs from sea-level to . Little is known of its reproductive habits but males are sometimes seen singing from the tops of trees in November suggesting that this is the breeding season.
Status
The IUCN
The International Union for Conservation of Nature (IUCN; officially International Union for Conservation of Nature and Natural Resources) is an international organization working in the field of nature conservation and sustainable use of natu ...
has rated Verreaux's coua as being "Least Concern
A least-concern species is a species that has been categorized by the International Union for Conservation of Nature (IUCN) as evaluated as not being a focus of species conservation because the specific species is still plentiful in the wild. T ...
". It has a small range and is threatened by habitat loss
Habitat destruction (also termed habitat loss and habitat reduction) is the process by which a natural habitat becomes incapable of supporting its native species. The organisms that previously inhabited the site are displaced or dead, thereby ...
. The main threat it faces is the cutting of trees in the scrubland where it lives to make charcoal
Charcoal is a lightweight black carbon residue produced by strongly heating wood (or other animal and plant materials) in minimal oxygen to remove all water and volatile constituents. In the traditional version of this pyrolysis process, cal ...
which happens especially alongside roads and near towns. Nevertheless, it is quite common in suitable habitats.
References
External links
BirdLife International, Verreaux's Coua fact sheet
Internet Bird Collection, Verreaux's Coua sightings and recordings
Photo taken in ''Parc National Tsimanampesotse''
images of Verreaux's Coua, on Flickr
{{DEFAULTSORT:coua, Verreaux's
Verreaux's coua
Verreaux's coua (''Coua verreauxi'') is a species of cuckoo in the family Cuculidae. It is endemic to Madagascar. According to a BBC documentary, it is found only near a salt lake in the southern part of the island. The lake is 16 km lon ...
Verreaux's coua
Verreaux's coua (''Coua verreauxi'') is a species of cuckoo in the family Cuculidae. It is endemic to Madagascar. According to a BBC documentary, it is found only near a salt lake in the southern part of the island. The lake is 16 km lon ...
Verreaux's coua
Verreaux's coua (''Coua verreauxi'') is a species of cuckoo in the family Cuculidae. It is endemic to Madagascar. According to a BBC documentary, it is found only near a salt lake in the southern part of the island. The lake is 16 km lon ...
Taxonomy articles created by Polbot