Zoothera erythronota — Details

Red-backed Thrush learn more about names for this taxon

Overview

Distribution

Range

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Taliabu I. (Sula Islands).
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Range Description

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Zoothera erythronota is restricted to Sulawesi and neighbouring Buton (race erythronota) and Kabaena (race kabaena), Indonesia3,4. It is uncommon but easily overlooked on Buton, locally common on Kabaena4, and generally uncommon on Sulawesi (although population estimates are often dramatically increased once mist-netting is undertaken). Although there is not enough information to accurately assess its population size, since it appears to be somewhat patchily distributed throughout its range - often absent from apparently suitable habitat - it may prove to be quite low.
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Ecology

Habitat

Habitat and Ecology

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Habitat and Ecology
It inhabits lowland forest below 1,000 m. It seems to strongly prefer primary forest on Sulawesi and Buton, but on Kabaena, it is found in a wide range of closed canopy habitats, including shady plantations, secondary forest and bamboo stands as well as native forest2,4. It is usually recorded alone or in pairs on the ground2. A nest was found in April in the fork of a low tree-stump2.

Systems
  • Terrestrial
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Conservation

Conservation Status

IUCN Red List Assessment

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Red List Category
NT
Near Threatened

Red List Criteria

Version
3.1

Year Assessed
2008

Assessor/s
BirdLife International

Reviewer/s
Bird, J., Butchart, S.

Contributor/s
Brickle, N.

Justification
This species is listed as Near Threatened because it is believed to have suffered a moderately rapid decline owing to habitat loss and trapping, which is likely to continue into the future. Further information on the population size and distribution of, and extent of threats to, this species may show it to be more threatened.

History
  • 2006
    Near Threatened
  • 2004
    Not Recognized
  • 2000
    Not Recognized
  • 1994
    Not Recognized
  • 1988
    Not Recognized
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Population

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Population
Population estimate = 20 individuals/km2 x 17,000 km2 (20% of EOO) = 340,000 individuals (density range from up to lower quartile of two Asian congeners in BirdLife Bird Population Density Spreadsheet). Perhaps best currently placed in population band of 100,000-499,999 individuals, but population may prove to be much lower given its extremely patchy distribution.

Population Trend
Decreasing
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Threats

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Major Threats
Forest destruction within its elevation range has been extensive in recent decades. Since it does not appear tolerant to habitat degradation through much of its range, its populations must have suffered a commensurate decline. Fires in the long dry season are a threat to remaining forest4. Zoothera species are heavily traded elsewhere in Indonesia, because of their abilities as songsters, so it is likely that this threat is also impacting this species1,3.
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Management

Conservation Actions

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Conservation Actions
Conservation Actions Underway
A number of protected areas occur within the range of this species on Sulawesi.

Conservation Actions Proposed
Conduct further surveys to assess the specific habitat requirements and overall population size of this species. Assess the extent to which bird trade is a threat. Effectively protect forest within its range.

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Wikipedia

Red-backed Thrush

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The Red-backed Thrush or Rusty-backed Thrush (Geokichla erythronota) is a species of bird in the Turdidae family. Traditionally, it included the Red-and-black Thrush (G. mendeni) as a subspecies.

It is endemic to forests on Sulawesi and the nearby islands of Buton and Kabaena in Indonesia. It is becoming rare due to habitat loss.

Referecens

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