Rück's blue flycatcher

Rück's blue flycatcher (Cyornis ruckii), also known as Rueck's blue-flycatcher or Rueck's niltava, is an old world flycatcher. The name commemorates M. Rück, who procured two skin specimens in Malacca.

Rück's blue flycatcher

Critically Endangered  (IUCN 3.1)[1]
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Muscicapidae
Genus: Cyornis
Species:
C. ruckii
Binomial name
Cyornis ruckii
(Oustalet, 1881)

Description

It is up to 17 cm in length, with a black bill, brown iris and black feet. The male has dark blue plumage, white belly, and shining blue rump. The female has rufous brown plumage, rusty breast and whitish belly. The young has brown spotted buff plumage with rufous breast and whitish center on underparts.

Distribution

The flycatcher is endemic to the island of Sumatra, Indonesia. It is known only from four specimens. Two specimens, an immature and adult male were last recorded and collected around 1917–1918 in secondary lowland forests in Medan area of North Sumatra province by the Dutch collector, August van Heijst. The other two skins are of doubtful origin.

Conservation

Due to ongoing habitat loss, small population size and limited range, the flycatcher is evaluated as Critically Endangered on the IUCN Red List of Threatened Species. It is listed on Appendix II of CITES and is protected under Indonesian law since 1972.

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References
  1. BirdLife International (2013). "Cyornis ruckii". IUCN Red List of Threatened Species. 2013. Retrieved 26 November 2013.CS1 maint: ref=harv (link)
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