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Biology

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The black shama is an unobtrusive bird, often heard before it is seen, probably due to its inconspicuous appearance and its preference for skulking in the dense understorey of forest. The breeding season extends from February to September, when two to three eggs are laid in cup-shaped nests, often found placed in the sawed or broken ends of bamboo stalks (2). The only information known about this secretive bird's diet comes from the contents of a female's stomach, which contained small, black beetles (4).
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Conservation

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During the 1980s the black shama was the focus of a population survey and a local awareness campaign. It also occurs within the Central Cebu National Park, however, this site offers little protection. Further surveys and research of this species is required to enable the development of effective management plans, and this obviously needs to be carried out in addition to efforts to conserve the remaining natural habitat on Cebu (4).
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Description

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The black shama is a medium-sized bird with entirely black plumage. The male has a dark bluish sheen to its plumage, whilst the female is a little more blackish grey, and smaller than the male. The tail is long and graduated, the bill is black and the eyes are dark brown. Juveniles are greyer with browner wings (2). The black shama's song is a rich, varied series of melodious whistles, and it is also known to mimic the sounds of other birds (2) (3).
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Habitat

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Inhabits forest and dense thickets, bamboo groves, scrub, deforested land and plantations (2) (4).
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Range

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Endemic to the island of Cebu in the Philippines.
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Status

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Classified as Endangered (EN) on the IUCN Red List 2007 (1).
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Threats

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The island of Cebu was once almost completely covered in forest, but today contains less than 0.3 percent of its original forest cover. Logging and shifting cultivation continues to convert the remaining natural habitat (5), leaving little suitable habitat for the black shama.
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Black shama

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The Black shama (Copsychus cebuensis) is a species of bird in the family Muscicapidae. It is endemic to the island of Cebu, Philippines where it is known locally as "Siloy".

Its natural habitats are subtropical or tropical moist lowland forest, subtropical or tropical moist shrubland, and plantations. It has been sighted in several locations all across the island, the most important sites being the Central Cebu Protected Landscape, the forests of Alcoy and Argao, and the shrublands of Casili, Consolacion. It is threatened by habitat loss.

Description and taxonomy

EBird describes the bird as "A medium-sized, long-tailed bird of lowland forest, bamboo, and scrub on Cebu, where it has a preference for valley bottoms. Male is entirely black with a glossy sheen, where the female is sooty gray with a rusty belly. Catches insects on the ground, in the undergrowth, or even on the wing. There are no other species of similar shape and size on Cebu. Song is a series of long, slightly out of tune, often quavering whistles."[2]

Habitat and conservation status

Its natural habitats are tropical moist lowland primary forest and secondary forests . It is also seen in clearings and plantations as long as there is dense undergrowth.[3] An ongoing radio-tracking study found that the breeding territory in forest-edge habitats was 0.2-0.5 km2.

The IUCN Red List classifies this bird as an endangered species with population estimates of 670 to 3,300 mature individuals with the belief that its population is near the lower estimate of that range. This species' main threat is habitat loss with wholesale clearance of forest habitats as a result of legal and illegal logging, mining and conversion into farmlands through Slash-and-burn and urbanization. Cebu underwent severe deforestation in the 1890s and now just 0.03% or 15 km2 of forest cover remains. Up until today, the forests of Cebu still receive hunting pressure and deforestation — further reducing what little there is remaining.

This has led to many other species sharing its range to also be endangered. It shares habitat with the Cebu flowerpecker, which is one of the most endangered birds in the world and also other endangered species such as the Cebu brown dove, Cebu hawk-owl and Streak-breasted bulbul. This has led to many local extinctions of species such as Cebu warty pig and possibly Cebu amethyst brown dove and local extinctions of Philippine oriole, Blackish cuckooshrike, Bar-bellied cuckooshrike and Philippine hanging parrot.[4]

The black shama occurs in Alcoy, Argao, Dalaguete, Tabunan and Boljoon protected forests, but actual protection and enforcement is lax.

References

  1. ^ BirdLife International (2012). "Copsychus cebuensis". IUCN Red List of Threatened Species. 2012. Retrieved 26 November 2013.old-form url
  2. ^ "Black Shama". Ebird. Archived from the original on 2020-03-30.
  3. ^ Allen, Desmond (2020). Birds of the Philippines. Barcelona: Lynx and Birdlife International Guides. pp. 318–319.
  4. ^ "Rediscovery of four Cebu endemic birds". Archived from the original on 2021-09-10.

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Black shama: Brief Summary

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The Black shama (Copsychus cebuensis) is a species of bird in the family Muscicapidae. It is endemic to the island of Cebu, Philippines where it is known locally as "Siloy".

Its natural habitats are subtropical or tropical moist lowland forest, subtropical or tropical moist shrubland, and plantations. It has been sighted in several locations all across the island, the most important sites being the Central Cebu Protected Landscape, the forests of Alcoy and Argao, and the shrublands of Casili, Consolacion. It is threatened by habitat loss.

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