Physical Description

Type Information

Type for Macronous gularis bornensis
Catalog Number: USNM 181538
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Birds
Sex/Stage: Female; Adult
Preparation: Skin: Whole
Collector(s): W. Abbott
Year Collected: 1907
Locality: Pulau Laut, Borneo, Indonesia, Asia
  • Type: Oberholser. September 27, 1922. Smithsonian Misc. Coll. 74 (2): 6.
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Source: National Museum of Natural History Collections

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Type for Macronous gularis bornensis
Catalog Number: USNM 180591
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Birds
Sex/Stage: Male; Adult
Preparation: Skin: Whole
Collector(s): W. Abbott
Year Collected: 1904
Locality: Bangka Island, Tanjong Tedong, Sumatra, Indonesia, Asia
  • Type: Oberholser. September 27, 1922. Smithsonian Misc. Coll. 74 (2): 6.
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© Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Birds

Source: National Museum of Natural History Collections

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Ecology

Habitat

Habitat and Ecology

Systems
  • Terrestrial
  • Freshwater
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Source: IUCN

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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2012

Assessor/s
BirdLife International

Reviewer/s
Butchart, S. & Symes, A.

Contributor/s

Justification
This species has a very large range, and hence does not approach the thresholds for Vulnerable under the range size criterion (Extent of Occurrence <20,000 km2 combined with a declining or fluctuating range size, habitat extent/quality, or population size and a small number of locations or severe fragmentation). The population trend appears to be stable, and hence the species does not approach the thresholds for Vulnerable under the population trend criterion (>30% decline over ten years or three generations). The population size has not been quantified, but it is not believed to approach the thresholds for Vulnerable under the population size criterion (<10,000 mature individuals with a continuing decline estimated to be >10% in ten years or three generations, or with a specified population structure). For these reasons the species is evaluated as Least Concern.
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Population

Population
The global population size has not been quantified, but the species is described as generally common across most of its range and abundant in the lowlands of Borneo (del Hoyo et al. 2007).

Population Trend
Stable
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Wikipedia

Bold-striped Tit-Babbler

The Bold-striped Tit-Babbler (Macronous bornensis) is a species of Old World babbler[2] found in Southeast Asia.

Description[edit]

The Bold-striped Tit-babbler has a distinctive yellowish supercilium and rufous crown. The throat is yellowish with brown streaks.

Call is a loud repeated chonk-chonk-chonk-chonk-chonk somewhat reminiscent of a Common Tailorbird.

Distribution[edit]

The Bold-striped Tit-babbler is found in Borneo, and Java.

Behaviour[edit]

Bold-striped Tit-babblers forage in small flocks and creep and clamber in low vegetation. They breed in the pre-monsoon season from February to July and build a loose ball shaped nest made from grasses and leaves.

References[edit]

  1. ^ BirdLife International (2012). "Macronous bornensis". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 26 November 2013. 
  2. ^ Collar, N. J. & Robson, C. 2007. Family Timaliidae (Babblers) Pp. 70 - 291 in; del Hoyo, J., Elliott, A. & Christie, D.A. eds. Handbook of the Birds of the World, Vol. 12. Picathartes to Tits and Chickadees. Lynx Edicions, Barcelona.


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