Rück's blue flycatcher ( Cyornis ruckii) is a passerine bird in the Old World flycatcher family Muscicapidae. It is known from only four specimens and is endemic to a small area in northeast Sumatra, Indonesia, inhabiting primary lowland forest. Little-known flycatcher documented only from logged lowland forest around Medan, in northern Sumatra. Male bright royal blue, with a white belly and limited pale patch on the forehead. Female cinnamon-brown, with buffy belly and orangish chest and tail. Similar to White-tailed Flycatcher, but note Rück's lack of any white in the tail, less extensive pale forehead patch in male, and warmer.
Sikatan Aceh Cyornis ruckii Alamendah's Blog
Peters' Check-list of the Birds (2nd edition):Niltava ruecki. Sibley and Monroe (1993):Rueck's Blue-Flycatcher ( Cyornis ruckii. Sibley and Monroe (1993, including corrections up to 1998):Rueck's Blue-Flycatcher ( Cyornis ruckii. Sibley and Monroe, Birds of the World Version 2.0:Rueck's Blue-Flycatcher ( Cyornis ruckii. Cyornis ruckii is known from two specimens collected in 1917 and 1918, at Tuntungan and Delitua in the lowlands of northern Sumatra, Indonesia. Two further specimens are purportedly from Malaysia, but their provenance has been questioned. Rück's blue flycatcher ( Cyornis ruckii ) is a passerine bird in the Old World flycatcher family Muscicapidae. It is known from only four specimens and is endemic to a small area in northeast Sumatra, Indonesia, inhabiting primary lowland forest. Although all specimens share common characteristics, such as a black bill, brown iris, and black. 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.
Malaysian blue flycatcher (Cyornis turcosus)
Rück's Blue Flycatcher Cyornis ruckii Scientific name definitions. Peter Clement and Christopher J. Sharpe Version: 1.0 — Published March 4, 2020 Text last updated July 31, 2015. Account navigation Account navigation. Account. Field Identification. Systematics History. Subspecies. Distribution. Habitat. Movement. Population justification: The population is assumed to be tiny (fewer than 50 individuals and mature individuals) based on a lack of records, despite searches, since two specimens were collected in 1917-1918. Trend justification: Population trends are unknown and are thus not quantified. They were initially described as Cyornis vanheysti before being accepted as specimens of C. ruckii. Rück's blue flycatcher has also been compared to other species of Cyornis. The species is listed as "Critically Endangered" by the International Union for Conservation of Nature as it has not been recorded since 1918. Species The genus contains the following 32 species: [6] Pale blue flycatcher ( Cyornis unicolor) Chinese blue flycatcher ( Cyornis glaucicomans) Sometimes considered as a subspecies of Cyornis rubeculoides [7] Blue-throated blue flycatcher ( Cyornis rubeculoides) Hainan blue flycatcher ( Cyornis hainanus)
Hill blue flycatcher (Cyornis whitei)
Criteria: D Click here for more information about the Red List categories and criteria Justification of Red List category This species has not been recorded since 1918, and no forest remains in the vicinity of its two known collecting localities, so it may have declined severely as a result of habitat destruction. Taxon Name: Cyornis ruckii (Oustalet, 1881) Synonym(s): • Cyornis ruecki ssp. Common Name(s): • English: ruecki (Oustalet, 1881) — Collar and Andrew (1988) Rück's Blue-flycatcher, Rueck's Blue-flycatcher, Rueck's Blue-Flycatcher, Rueck's Niltava Taxonomic Source(s):
Cyornis ruckii is known from two specimens collected in 1917 and 1918, at Tuntungan and Delitua in the lowlands of northern Sumatra, Indonesia. Two further specimens are purportedly from Malaysia, but their provenance has been questioned. The species must have always been very rare or local, given the failure of all but one zoological collector. Rück's Blue Flycatcher (Cyornis ruckii) is a species of bird in the Muscicapidae family. Subspecific information monotypic species. Foreign names . Gobemouche de Rueck, Papamoscas de Rück, papa-moscas-azul-de-samatra, Oustaletblauschnäpper,
Hainan Blue Flycatcher Cyornis hainanus
Cyornis ruckii Taxonavigation [ edit] Familia: Muscicapidae Genus: Cyornis Species: Cyornis ruckii Name [ edit] Cyornis ruckii ( Oustalet, 1881) Original combination: Siphia Ruckii ( protonym) References [ edit] Bulletin de Sciences de Société de Philomatique, Paris (7) 5: p. 78. IUCN: Cyornis ruckii (Critically Endangered) Vernacular names [ edit] Cyornis ruckii Oustalet, 1881 Rueck's blue-flycatcher, Rueck's blue-flycatcher, Rueck's niltava . Taxonomy & Nomenclature. Synonym/s: Cyornis ruecki Oustalet, 1881; Cyornis ruecki ruecki Oustalet, 1881; Cyornis vanheysti Robinson & Kloss, 1919 . Conservation Status. Missing or invalid (synonym) Last record: February 1918
