Montecincla
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Montecincla
''Montecincla'' is a genus of passerine birds in the family Leiothrichidae. All four species in this genus are endemic to “sky islands” in the Western Ghats mountain range of southwestern India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ..., generally above 1,200m elevation. Species The genus contains the following species: * Nilgiri laughingthrush, ''Montecincla cachinnans'' * Palani laughingthrush, ''Montecincla fairbanki'' * Banasura laughingthrush, ''Montecincla jerdoni'' * Ashambu laughingthrush, ''Montecincla meridionalis'' The four species are found on the tops of mountain ranges separated by deep valleys and are thought to have speciated during global warming. The two pairs separated by the Palghat Gap are estimated to have diverged more than 5 million year ...
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Banasura Laughingthrush
The Banasura laughingthrush (''Montecincla jerdoni'') is a species of bird in the family Leiothrichidae. It is found in shola habitat in a small section of the Western Ghats in southwestern Karnataka and northern Kerala. It was formerly considered a subspecies of the black-chinned laughingthrush. Taxonomy The Banasura laughingthrush was described by zoologist Edward Blyth in 1851, based on a type specimen collected at Banasura Hill in modern-day Kerala by Thomas Jerdon. Blyth originally placed it in the genus ''Garrulax''. After a period of taxonomic reorganization, the species, along with the Palani laughingthrush and the Ashambu laughingthrush, was placed in the genus ''Montecincla'', in which it remains today. The Banasura laughingthrush was formerly treated as conspecific with the Nilgiri laughingthrush, and was known as the black-chinned laughingthrush. However, phylogenetic analysis revealed that the Banasura and Nilgiri laughingthrushes were better treated as dif ...
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Palani Laughingthrush
The Palani laughingthrush (''Montecincla fairbanki'') is a species of laughingthrush endemic to the hills of the Western Ghats south of the Palghat Gap in Southern India. Found in the high montane forests, this grey bibbed, rufous bellied bird with a prominent dark eyestripe and broad white brow was grouped along with the grey-breasted subspecies of the black-chinned laughingthrush and known as the grey-breasted laughingthrush. This species is found in the Palni Hills while another closely related form, the Ashambu laughingthrush (''Montecincla meridionalis'') with a shorter white brow is found in the high hills south of the Achankovil Gap and was treated as a subspecies. The two forms were together treated under the name of Kerala laughingthrush. Description This species has a dark grey-brown crown and narrow dark grey eyestripe with a broad white supercilium above it. This supercilium extends behind the eye in this species but stops above the eye in the closely related ...
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Montecincla
''Montecincla'' is a genus of passerine birds in the family Leiothrichidae. All four species in this genus are endemic to “sky islands” in the Western Ghats mountain range of southwestern India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ..., generally above 1,200m elevation. Species The genus contains the following species: * Nilgiri laughingthrush, ''Montecincla cachinnans'' * Palani laughingthrush, ''Montecincla fairbanki'' * Banasura laughingthrush, ''Montecincla jerdoni'' * Ashambu laughingthrush, ''Montecincla meridionalis'' The four species are found on the tops of mountain ranges separated by deep valleys and are thought to have speciated during global warming. The two pairs separated by the Palghat Gap are estimated to have diverged more than 5 million year ...
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Nilgiri Laughingthrush
The Nilgiri laughingthrush (''Montecincla cachinnans'') is a species of laughingthrush endemic to the high elevation areas of the Nilgiri mountains, Nilgiris and adjoining hill ranges in Peninsular India. The mostly rufous underparts, olive brown upperparts, a prominent white eyebrow and a black throat make it unmistakable. It is easily detected by its loud series of nasal call notes and can be hard to spot when it is hidden away inside a patch of dense vegetation. The species has a confusing Taxonomy (biology), taxonomic history, leading to a range of names. In the past the species was considered to have two subspecies, the nominate form in the Nilgiris (earlier called the black-chinned laughingthrush or rufous-breasted laughingthrush) and ''jerdoni'' (which is now treated as a full species, the Banasura laughingthrush) with a grey upper breast and found in the Brahmagiris of Coorg and Banasura range of Wayanad. They are omnivorous, feeding on a range of insects, berries and ne ...
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Ashambu Laughingthrush
The Ashambu laughingthrush or Travancore laughingthrush (''Montecincla meridionalis'') is a species of bird in the family Leiothrichidae. It is found in the Western Ghats in southern Kerala and southern Tamil Nadu Tamil Nadu (; , TN) is the southernmost States and union territories of India, state of India. The List of states and union territories of India by area, tenth largest Indian state by area and the List of states and union territories of Indi .... It was formerly considered a subspecies of the grey-breasted laughingthrush. It is closely related to the Palani laughingthrush and can be differentiated from it by its very short white brow that stops before the eye. The species is found in the high hills and is part of a complex of several species which are thought to have speciated by being isolated in the cool tops of the higher hills of southern India as the climate became warmer. Earlier included in other genera, they were placed in a newly established genu ...
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Leiothrichidae
The laughingthrushes are a family, Leiothrichidae, of Old World passerine birds. The family contains 133 species and is divided into 16 genera. The species are diverse in size and coloration. These are birds of tropical areas, with the greatest variety in Southeast Asia and the Indian subcontinent. The entire family used to be included in the Old World babbler family Timaliidae. Characteristics They are small to medium-sized birds. They have strong legs, and many are quite terrestrial. They typically have generalised bills, similar to those of a thrush (bird), thrush. Most have predominantly brown plumage, with minimal difference between the sexes, but many more brightly coloured species also exist. This group is not strongly bird migration, migratory, and most species have short rounded wings, and a weak flight. They live in lightly wooded or scrubland environments, ranging from swamp to near-desert. They are primarily insectivore, insectivorous, although many will also take b ...
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Species
A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. Other ways of defining species include their karyotype, DNA sequence, morphology (biology), morphology, behaviour, or ecological niche. In addition, palaeontologists use the concept of the chronospecies since fossil reproduction cannot be examined. The most recent rigorous estimate for the total number of species of eukaryotes is between 8 and 8.7 million. About 14% of these had been described by 2011. All species (except viruses) are given a binomial nomenclature, two-part name, a "binomen". The first part of a binomen is the name of a genus to which the species belongs. The second part is called the specific name (zoology), specific name or the specific ...
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Genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In binomial nomenclature, the genus name forms the first part of the binomial species name for each species within the genus. :E.g. ''Panthera leo'' (lion) and ''Panthera onca'' (jaguar) are two species within the genus ''Panthera''. ''Panthera'' is a genus within the family Felidae. The composition of a genus is determined by taxonomy (biology), taxonomists. The standards for genus classification are not strictly codified, so different authorities often produce different classifications for genera. There are some general practices used, however, including the idea that a newly defined genus should fulfill these three criteria to be descriptively useful: # monophyly – all descendants of an ancestral taxon are grouped together (i.e. Phylogeneti ...
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Passerine
A passerine () is any bird of the order Passeriformes (; from Latin 'sparrow' and '-shaped') which includes more than half of all bird species. Sometimes known as perching birds, passerines generally have an anisodactyl arrangement of their toes (three pointing forward and one back), which facilitates perching. With more than 140 families and some 6,500 identified species, Passeriformes is the largest order of birds and one of the most diverse clades of terrestrial vertebrates, representing 60% of birds.Ericson, P.G.P. et al. (2003Evolution, biogeography, and patterns of diversification in passerine birds ''J. Avian Biol'', 34:3–15.Selvatti, A.P. et al. (2015"A Paleogene origin for crown passerines and the diversification of the Oscines in the New World" ''Molecular Phylogenetics and Evolution'', 88:1–15. Passerines are divided into three suborders: New Zealand wrens; Suboscines, primarily found in North and South America; and songbirds. Passerines originated in the ...
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Endemism
Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsewhere. For example, the Cape sugarbird is found exclusively in southwestern South Africa and is therefore said to be ''endemic'' to that particular part of the world. An endemic species can also be referred to as an ''endemism'' or, in scientific literature, as an ''endemite''. Similarly, many species found in the Western ghats of India are examples of endemism. Endemism is an important concept in conservation biology for measuring biodiversity in a particular place and evaluating the risk of extinction for species. Endemism is also of interest in evolutionary biology, because it provides clues about how changes in the environment cause species to undergo range shifts (potentially expanding their range into a larger area or b ...
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India
India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since 2023; and, since its independence in 1947, the world's most populous democracy. Bounded by the Indian Ocean on the south, the Arabian Sea on the southwest, and the Bay of Bengal on the southeast, it shares land borders with Pakistan to the west; China, Nepal, and Bhutan to the north; and Bangladesh and Myanmar to the east. In the Indian Ocean, India is near Sri Lanka and the Maldives; its Andaman and Nicobar Islands share a maritime border with Thailand, Myanmar, and Indonesia. Modern humans arrived on the Indian subcontinent from Africa no later than 55,000 years ago., "Y-Chromosome and Mt-DNA data support the colonization of South Asia by modern humans originating in Africa. ... Coalescence dates for most non-European populations averag ...
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