Collared bush robin

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Collared bush robin

Least Concern  (IUCN 3.1)[1]
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Muscicapidae
Genus: Tarsiger
Species:
T. johnstoniae
Binomial name
Tarsiger johnstoniae

The collared bush robin or Johnstone's robin

Muscicapidae. It is endemic to Taiwan, living in montane and subalpine forests. The International Union for Conservation of Nature
(IUCN) has assessed it as a least-concern species.

Taxonomy

This species was described as Ianthia johnstoniae by

Yushan (Mount Morrison).[2] It has also been included in the genus Luscinia.[4] The species' eponym is named after Marion A. Johnstone, a well-known aviculturist to whom Goodfellow previously sent a specimen of a lorikeet.[5]

Description

The collared bush robin is about 12 cm (4.7 in) long. The male and female are different. The male has a slate-black head with a white supercilium. The rufous upper breast, mantle and scapulars form a collar. The back is sooty-black, the wings are black and brownish-black, and the tail is black. The lower breast is buffish-yellow, and the belly varies from grey-white to buffish-olive. The beak and legs are black. The female has a less distinct supercilium. The upperparts are mostly dull olive-brown, and the wings and tail are dark brown. The underparts are variable. The throat and breast are warm brown, but the throat is sometimes blackish, and the breast can be pale yellow or yellowish-olive. The juvenile bird can be distinguished from the female by its pale buff streaks and spots.[4]

Distribution and habitat

Endemic to Taiwan, this robin's habitat is montane and subalpine forests, usually at elevations of 2,000–2,800 m (6,600–9,200 ft) and sometimes above the tree line. It descends to lower elevations in winter. It lives in undergrowth of coniferous forests with shrubs and bamboo. It can also be seen in parks and along roads.[4]

Behaviour

The collared bush robin is often seen in pairs and also singly. It catches insects by striking from perches, and it also forages for invertebrates on the ground and in low plants.

cup nest made of plants and lays two to three eggs. The collared bush robin sometimes hybridises with subspecies formosanus of the white-browed bush robin.[4]

Status

Suspected to have a stable population, this species has been assessed by the IUCN as being of

least concern.[1]

See also

References

  1. ^
    doi:10.2305/IUCN.UK.2016-3.RLTS.T22709753A94222021.en
    . Retrieved 16 November 2021.
  2. ^ a b Ogilvie-Grant, W. R. (1906). "Descriptions of new species of birds which had been collected in the highlands of Central Formosa by Mr. Walter Goodfellow". Bulletin of the British Ornithologists' Club. 16: 118.
  3. ^
    ISBN 9780691139265
    .
  4. ^
    ISBN 9781408155967
    .
  5. ISBN 978-1-4729-8269-8
    .
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