| 词条 | White-breasted mesite |
| 释义 |
| image = White-breasted Mesite - Ankarafantsika - Madagascar S4E9441 (15297364032).jpg | name = White-breasted mesite | status = VU | status_system = IUCN3.1 | status_ref = [1] | genus = Mesitornis | species = variegatus | authority = (Geoffroy Saint-Hilaire, 1838) }} The white-breasted mesite (Mesitornis variegatus) is a ground-dwelling bird endemic to Madagascar. One of three species in the mesite family, Mesitornithidae, it is classified as vulnerable by the International Union for Conservation of Nature (IUCN). It has a small population and is restricted to five sites in the north and west of the island, and one in the east. DescriptionThe white-breasted mesite is a medium-sized terrestrial bird which is often described as rail-like (a family with which the mesites are sometimes placed). The species has a white face with distinctive facial markings (a white supercilium and dark malar stripes) and a short dark straight bill. The upperparts are rufous brown, the underside is white with a tawny chest band and a barred belly. The wings are short and rounded and the bird only flies a few metres when pursued. It has a melodic song and sings in the early morning and during the day.[2] EcologyThe white-breasted mesite is a forest species; living in groups of two to four individuals which can be seen resting, or feeding on the ground during the day. The brown upper plumage provides camouflage while the bird forage on the forest floor, flicking over leaf-litter to find invertebrates. Diet includes beetles, centipedes, cockroaches, crickets, flies, moths, spiders, and also seeds. Egg-laying mainly takes place from November to January with one to three white eggs with rust-coloured spots. The nests are a simple structure of interwoven twigs, within vegetation, and close to the ground.[2] DistributionThe preferred habitat is undisturbed deciduous forest and the bird has a restricted distribution on five sites in the north and west of Madagascar, as well as one in the east, Ambatovaky Reserve. The northern and western sites are Analamerana Reserve, Ankarafantsika National Park, Ankarana Special Reserve, Daraina forests and Menabe forest.[3][4] StatusThe population of this species is declining and is projected to continue doing so. It is sensitive to disturbance, and its forest home is threatened by logging and forest fires. It is also subject to hunting pressure. The International Union for Conservation of Nature has classified the conservation status of this bird as ″vulnerable″.[4] References1. ^{{IUCN|id=22692949 |title=Mesitornis variegatus |assessor=BirdLife International |assessor-link=BirdLife International |version=2013.2 |year=2012 |accessdate=26 November 2013}} 2. ^1 {{cite web|title=White-breasted mesite (Mesitornis variegatus)|url=http://www.arkive.org/white-breasted-mesite/mesitornis-variegatus/#src=portletV3api|archive-url=https://web.archive.org/web/20101114073805/http://www.arkive.org/white-breasted-mesite/mesitornis-variegatus/#src=portletV3api|dead-url=yes|archive-date=14 November 2010|website=ARKive|accessdate=16 October 2016}} 3. ^{{cite web|title=White-breasted Mesite Mesitornis variegatus|url=http://www.birdlife.org/datazone/species/factsheet/22692949|website=BirdLife International|accessdate=16 October 2016}} 4. ^1 {{cite web|title=Mesitornis variegatus|url=http://www.iucnredlist.org/details/full/22692949/0|website=IUCN|accessdate=16 October 2016}}
External links
4 : Mesitornis|Endemic birds of Madagascar|Birds described in 1838|Taxa named by Isidore Geoffroy Saint-Hilaire |
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