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Wayanad Laughingthrush
The Wayanad laughingthrush (''Pterorhinus delesserti'') is a species of laughingthrush in the family Leiothrichidae. It is endemic to the Western Ghats south of Goa in 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 .... These laughingthrushes move in groups in dense forests, producing loud calls but tend to be hard to spot in the undergrowth. They have brown upperparts, a white throat, a broad black mask through the eye and a heavy bill with pale yellow on the lower mandible. Despite the name, derived from the Wayanad region, this species has a wider range than the four other south Indian species of laughingthrush that are restricted to the higher elevation hills. Taxonomy The Wayanad laughingthrush was described by the British physician and naturalist Thomas C. Jerdon, Th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Thomas C
Thomas may refer to: People * List of people with given name Thomas * Thomas (name) * Thomas (surname) * Saint Thomas (other) * Thomas Aquinas (1225–1274) Italian Dominican friar, philosopher, and Doctor of the Church * Thomas the Apostle * Thomas (bishop of the East Angles) (fl. 640s–650s), medieval Bishop of the East Angles * Thomas (Archdeacon of Barnstaple) (fl. 1203), Archdeacon of Barnstaple * Thomas, Count of Perche (1195–1217), Count of Perche * Thomas (bishop of Finland) (1248), first known Bishop of Finland * Thomas, Earl of Mar (1330–1377), 14th-century Earl, Aberdeen, Scotland Geography Places in the United States * Thomas, Illinois * Thomas, Indiana * Thomas, Oklahoma * Thomas, Oregon * Thomas, South Dakota * Thomas, Virginia * Thomas, Washington * Thomas, West Virginia * Thomas County (other) * Thomas Township (other) Elsewhere * Thomas Glacier (Greenland) Arts, entertainment, and media * ''Thomas'' (Burton novel) 1969 novel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Garrulax
''Garrulax'' is a genus of passerine birds in the laughingthrush family Leiothrichidae. Taxonomy The genus ''Garrulax'' was erected by the French naturalist René Lesson in 1831. The type species was designated in 1961 as the rufous-fronted laughingthrush (''Garrulax rufifrons''). The genus previously included more species. Following the publication of a comprehensive molecular phylogenetic study in 2018, ''Garrulax '' was split up and species were moved to the resurrected genera '' Ianthocincla'' and ''Pterorhinus ''Pterorhinus'' is a genus of passerine birds in the laughingthrush family Leiothrichidae. Taxonomy The genus was erected by the English zoologist Robert Swinhoe in 1868 with the plain laughingthrush (''Pterorhinus davidi'') as the type specie ...''. ''Garrulax'' species are heavily traded as songbirds. A survey of eight bird markets in Indonesia, carried out in 2014–2015, found 615 laughingthrushes of nine species openly for sale. Much of the trade in the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Birds Described In 1839
Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton. Birds live worldwide and range in size from the bee hummingbird to the ostrich. There are about ten thousand living species, more than half of which are passerine, or "perching" birds. Birds have whose development varies according to species; the only known groups without wings are the extinct moa and elephant birds. Wings, which are modified forelimbs, gave birds the ability to fly, although further evolution has led to the loss of flight in some birds, including ratites, penguins, and diverse endemic island species. The digestive and respiratory systems of birds are also uniquely adapted for flight. Some bird species of aquatic environments, particularly seabirds and some waterbirds, have further evolved for swimming. Birds ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Birds Of South India
This list of birds of South India includes bird from India south approximately of the Narmada River. Rollapadu in Andhra Pradesh, Nagarhole National Park) and Bandipur National Park in Karnataka; Rajamalai (Eravikulam National Park) and Periyar National Park in Kerala; Mudumalai National Park, Udhagamandalam, Indira Gandhi Wildlife Sanctuary in Anamalai, Vedanthangal and Point Calimere Wildlife and Bird Sanctuary in Kodikkarai, Tamil Nadu are notable bird watching locations in South India. Francolins and spurfowls *Painted francolin, ''Francolinus pictus'' *Grey francolin, ''Francolinus pondicerianus'' *Red spurfowl, ''Galloperdix spadicea'' *Painted spurfowl, ''Galloperdix lunulata'' Quails and buttonquails *Blue-breasted quail, ''Coturnix chinensis'' * Common quail, ''Coturnix coturnix'' * Rain quail, ''Coturnix coromandelica'' *Jungle bush quail, ''Perdicula asiatica'' *Rock bush quail, ''Perdicula argoondah'' *Painted bush quail, ''Perdicula erythrorhyncha'' *Small butt ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Helpers At The Nest
Helpers at the nest is a term used in behavioural ecology and evolutionary biology to describe a social structure in which juveniles and sexually mature adolescents of either one or both sexes remain in association with their parents and help them raise subsequent broods or litters, instead of dispersing and beginning to reproduce themselves. This phenomenon was first studied in birds where it occurs most frequently, but it is also known in animals from many different groups including mammals and insects. It is a simple form of co-operative breeding. The effects of helpers usually amount to a net benefit, however, benefits are not uniformly distributed by all helpers nor across all species that exhibit this behaviour. There are multiple proposed explanations for the behaviour, but its variability and broad taxonomic occurrences result in simultaneously plausible theories.Dickinson, J. L.; Hatchwell, B. J. (2004) "Fitness consequences of helping" in ''Ecology and evolution of coop ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
White-crested Laughingthrush
The white-crested laughingthrush (''Garrulax leucolophus'') is a member of the family Leiothrichidae.Family : Leiothrichidae Oiseaux.net. It is a highly social and vocal bird found in forest and scrub from the Himalayan foothills to . Taxonomy The white-crested laughingthrush is a member of the family , recently split from the Old Word babbler family,[...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rufous Babbler
The rufous babbler (''Argya subrufa'') is an endemic species of bird found in the Western Ghats of southern India of the family Leiothrichidae It is dark brown and long tailed, and is usually seen foraging in noisy groups along open hillsides with a mixture of grass, bracken and forest. Taxonomy The rufous babbler was formerly placed in the genus ''Turdoides'' but following the publication of a comprehensive molecular phylogenetic study in 2018, it was moved to the resurrected genus ''Argya''. Description This babbler is large and dark olive brown above with a grey forehead. The wing feathers have a rufous tinge. The feathers of the forehead have black shafts. The iris is pale white to yellow and the lores are dark. The underside is bright rufous, paler on the center of the throat and belly. The nominate form (type location: Mananthawadi) is found in the Western Ghats north of the Palghat Gap while ''hyperythra'' found to the south is said to be more richly coloured. They are ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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' Food and Agriculture Organization (FAO) defines a forest as, "Land spanning more than 0.5 hectares with trees higher than 5 meters and a canopy cover of more than 10 percent, or trees able to reach these thresholds ''in situ''. It does not include land that is predominantly under agricultural or urban use." Using this definition, '' Global Forest Resources Assessment 2020'' (FRA 2020) found that forests covered , or approximately 31 percent of the world's land area in 2020. Forests are the predominant terrestrial ecosystem of Earth, and are found around the globe. More than half of the world's forests are found in only five countries (Brazil, Canada, China, Russia, and the United States). The largest share of forests (45 percent) are in th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 manifestation of its ecological niche. Thus "habitat" is a species-specific term, fundamentally different from concepts such as environment or vegetation assemblages, for which the term "habitat-type" is more appropriate. The physical factors may include (for example): soil, moisture, range of temperature, and light intensity. Biotic factors will include the availability of food and the presence or absence of predators. Every species has particular habitat requirements, with habitat generalist species able to thrive in a wide array of environmental conditions while habitat specialist species requiring a very limited set of factors to survive. The habitat of a species is not necessarily found in a geographical area, it can be the interior ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rufous-vented Laughingthrush
The rufous-vented laughingthrush (''Pterorhinus gularis'') is a species of bird in the family Leiothrichidae. It is found in Bangladesh, Bhutan, India, Laos, Myanmar, and Vietnam. Its natural habitats are subtropical or tropical moist lowland forest and subtropical or tropical moist montane forest. This species was formerly placed in the genus ''Garrulax'' but following the publication of a comprehensive molecular phylogenetic study in 2018, it was moved to the resurrected genus ''Pterorhinus''. References rufous-vented laughingthrush Birds of Bhutan Birds of Northeast India Birds of Laos Birds of Myanmar rufous-vented laughingthrush The rufous-vented laughingthrush (''Pterorhinus gularis'') is a species of bird in the family Leiothrichidae. It is found in Bangladesh, Bhutan, India, Laos, Myanmar, and Vietnam. Its natural habitats are subtropical or tropical moist lowland for ... Taxonomy articles created by Polbot Taxobox binomials not recognized by IUCN [Baidu] |
Pterorhinus
''Pterorhinus'' is a genus of passerine birds in the laughingthrush family Leiothrichidae. Taxonomy The genus was erected by the English zoologist Robert Swinhoe in 1868 with the plain laughingthrush (''Pterorhinus davidi'') as the type species. The name of the genus combines the Ancient Greek ''pteron'' meaning "feather" with ''rhinos'' meaning "nostrils". These species were at one time placed in ''Garrulax'' but following the publication of a molecular phylogenetic study in 2018, ''Garrulax'' was split up and some of the species were moved to the resurrected genus ''Pterorhinus''. At the same time, the four species previously placed in ''Babax'' were moved here. Species The genus contains 23 species: * Rufous-necked laughingthrush, ''Pterorhinus ruficollis'' * Chestnut-backed laughingthrush, ''Pterorhinus nuchalis'' * Black-throated laughingthrush, ''Pterorhinus chinensis'' * Chestnut-capped laughingthrush, ''Pterorhinus mitratus'' * Chestnut-hooded laughingthrush, ''Pterorh ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Molecular Phylogenetic
Molecular phylogenetics () is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominantly in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to determine the processes by which diversity among species has been achieved. The result of a molecular phylogenetic analysis is expressed in a phylogenetic tree. Molecular phylogenetics is one aspect of molecular systematics, a broader term that also includes the use of molecular data in taxonomy and biogeography. Molecular phylogenetics and molecular evolution correlate. Molecular evolution is the process of selective changes (mutations) at a molecular level (genes, proteins, etc.) throughout various branches in the tree of life (evolution). Molecular phylogenetics makes inferences of the evolutionary relationships that arise due to molecular evolution and results in the construction of a phylogenetic tree. History The theoretical framew ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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