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The Tibetan serin (''Spinus thibetanus'') or Tibetan siskin is a
The first description of the species was by the British ornithologist
true finch
The true finches are small to medium-sized passerine birds in the family Fringillidae. Finches have stout conical bills adapted for eating seeds and nuts and often have colourful plumage. They occupy a great range of habitats where they are usua ...
species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
(family
Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...
Fringillidae).
Taxonomy and systematics
The Tibetan serin was formerly placed in thegenus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
''Serinus
''Serinus'' is a genus of small birds in the finch family Fringillidae found in Europe and Africa. The birds usually have some yellow in their plumage. The genus was introduced in 1816 by the German naturalist Carl Ludwig Koch. Its name is New L ...
'' but was assigned to the genus '' Spinus'' based on a phylogenetic analysis of mitochondrial
A mitochondrion (; ) is an organelle found in the cells of most Eukaryotes, such as animals, plants and fungi. Mitochondria have a double membrane structure and use aerobic respiration to generate adenosine triphosphate (ATP), which is use ...
and nuclear DNA sequences.
The first description of the species was by the British ornithologist Allan Octavian Hume
Allan Octavian Hume, CB ICS (4 June 1829 – 31 July 1912) was a British civil servant, political reformer, ornithologist and botanist who worked in British India. He was the founder of the Indian National Congress. A notable ornithologist, Hum ...
in 1872 under the binomial name
In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...
''Chrysomitris thibetanus''. In the 19th century, it was also referred to as the Sikkim siskin.
At that time, the Lepcha of Sikkim referred to it as ('fierce wormwood').
Description
Length (including the tail) of this species is around . The Tibetan siskin lacks yellow panels on its wings in allplumage
Plumage ( "feather") is a layer of feathers that covers a bird and the pattern, colour, and arrangement of those feathers. The pattern and colours of plumage differ between species and subspecies and may vary with age classes. Within species, ...
s. Adult
An adult is a human or other animal that has reached full growth. In human context, the term ''adult'' has meanings associated with social and legal concepts. In contrast to a " minor", a legal adult is a person who has attained the age of major ...
males have olive-greenish upper parts, yellow underparts, yellowish-green rump
Rump may refer to:
* Rump (animal)
** Buttocks
* Rump steak, slightly different cuts of meat in Britain and America
* Rump kernel, software run in userspace that offers kernel functionality in NetBSD
Politics
*Rump cabinet
* Rump legislature
* Ru ...
s, yellow supercilium
The supercilium is a plumage feature found on the heads of some bird species. It is a stripe which runs from the base of the bird's beak above its eye, finishing somewhere towards the rear of the bird's head.Dunn and Alderfer (2006), p. 10 Also ...
and border behind ear-coverts. Wing and tail feathers of this bird species are broadly differentiated by a yellowish-green color. Adult females of this species have black streaking
Streaking is the act of running, often naked, through a public area for publicity, as a prank, a dare, or a form of protest. Streaking is often associated with sporting events, but can occur in more secluded areas. Streakers are often pursued b ...
on darker greyish-green upper parts, more clearly defined wing-bars than their male counterparts, paler yellowish throats and black- flanked breasts with streaking. Juveniles are duller green, tinged brownish-buff on upper parts, with duller rumps, buff fringes to greater coverts and paler or heavily streaked underparts.
Distribution
This species is found inBhutan
Bhutan (; dz, འབྲུག་ཡུལ་, Druk Yul ), officially the Kingdom of Bhutan,), is a landlocked country in South Asia. It is situated in the Eastern Himalayas, between China in the north and India in the south. A mountainous ...
, China
China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
, India
India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...
, Myanmar
Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John C. Wells, Joh ...
, and Nepal
Nepal (; ne, नेपाल ), formerly the Federal Democratic Republic of Nepal ( ne,
सङ्घीय लोकतान्त्रिक गणतन्त्र नेपाल ), is a landlocked country in South Asia. It is mai ...
. Its natural habitat
In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical ...
is temperate forest
A forest is an area of land dominated by trees. Hundreds of definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing, and ecological function. The United Nations' ...
s. It spends the winter in the central and eastern Himalaya
The Himalayas, or Himalaya (; ; ), is a mountain range in Asia, separating the plains of the Indian subcontinent from the Tibetan Plateau. The range has some of the planet's highest peaks, including the very highest, Mount Everest. Over 100 ...
s. A group of birders from West Bengal
West Bengal (, Bengali: ''Poshchim Bongo'', , abbr. WB) is a state in the eastern portion of India. It is situated along the Bay of Bengal, along with a population of over 91 million inhabitants within an area of . West Bengal is the fourt ...
discovered its presence in Hee Village near Varsey Rhododendron Sanctuary
__NOTOC__
The Varsey Rhododendron Sanctuary or Barsey Rhododendron Sanctuary occupies 104 km2 in the Singalila Range in western Sikkim. It borders on Nepal to the west, and on the state of West Bengal to the south across the Rambong Khola s ...
, Sikkim
Sikkim (; ) is a state in Northeastern India. It borders the Tibet Autonomous Region of China in the north and northeast, Bhutan in the east, Province No. 1 of Nepal in the west and West Bengal in the south. Sikkim is also close to the Siligur ...
, India
India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...
in the month of March 2013.
Habitat
Tibetan serins generally breed in mixed forest and spend their winter in alder.Voice
Their soft chattering sound is much like ''twang'' ''twang''.References
Spinus (genus) Birds of Tibet Birds described in 1872 Taxonomy articles created by Polbot {{Fringillidae-stub