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Nyctibatrachus Karnatakaensis
The giant wrinkled frog (''Nyctibatrachus karnatakaensis'', arguably a junior synonym of ''N. hussaini'') is a species of frogs in the family Nyctibatrachidae endemic to the Western Ghats of India in the Kudremukh region. Its natural habitats are tropical moist lowland forests and rivers. It is threatened by habitat loss. Taxonomic controversy This "species" was named after the Indian ornithologist S. A. Hussain as ''Nyctibatrachus hussaini''. In 2001, Biju questioned the validity of this species due to lack of type specimens in the museum. In 2007, some of the same authors suggested the alternative name of ''Nyctibatrachus karnatakaensis'', stating that ''Nyctibatrachus hussaini'' was invalid due to the lack of a traceable holotype, though two of the authors claiming this were responsible for the original description. A holotype (more correctly a neotype) was designated and vouchered at the Zoological Survey of India in Kozhikode with the alternate name. This became the subj ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Frog
A frog is any member of a diverse and largely Carnivore, carnivorous group of short-bodied, tailless amphibians composing the order (biology), order Anura (ανοὐρά, literally ''without tail'' in Ancient Greek). The oldest fossil "proto-frog" ''Triadobatrachus'' is known from the Early Triassic of Madagascar, but molecular clock, molecular clock dating suggests their split from other amphibians may extend further back to the Permian, 265 Myr, million years ago. Frogs are widely distributed, ranging from the tropics to subarctic regions, but the greatest concentration of species diversity is in tropical rainforest. Frogs account for around 88% of extant amphibian species. They are also one of the five most diverse vertebrate orders. Warty frog species tend to be called toads, but the distinction between frogs and toads is informal, not from Taxonomy (biology), taxonomy or evolutionary history. An adult frog has a stout body, protruding eyes, anteriorly-attached tongue, limb ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Holotype
A holotype is a single physical example (or illustration) of an organism, known to have been used when the species (or lower-ranked taxon) was formally described. It is either the single such physical example (or illustration) or one of several examples, but explicitly designated as the holotype. Under the International Code of Zoological Nomenclature (ICZN), a holotype is one of several kinds of name-bearing types. In the International Code of Nomenclature for algae, fungi, and plants (ICN) and ICZN, the definitions of types are similar in intent but not identical in terminology or underlying concept. For example, the holotype for the butterfly '' Plebejus idas longinus'' is a preserved specimen of that subspecies, held by the Museum of Comparative Zoology at Harvard University. In botany, an isotype is a duplicate of the holotype, where holotype and isotypes are often pieces from the same individual plant or samples from the same gathering. A holotype is not necessarily "typ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Frogs Of India
This is an index to the amphibians found in India. The amphibians of India show a high level of endemism. This list is based largely on Darrel Frost (2006) and includes common names from older books and journals. Order Anura Family Bufonidae * Ornate torrent toad, ''Ansonia ornata'' = ''Ghatophryne ornata'' (Günther, 1876) * Silent Valley torrent toad, ''Ansonia ornata'' = ''Ghatophryne rubigina'' (Pillai and Pattabiraman, 1981) * '' Bufo beddomii'' ( Günther, 1876) * '' Bufo brevirostris'' (Rao, 1937) * '' Bufo burmanus'' (Andersson, 1939) * '' Duttaphrynus cyphosus'' = ''Bufo cyphosus'' (Ye, 1977) * Himalayan toad, '' Duttaphrynus himalayanus'' (Günther, 1864) = ''Bufo himalayanus'' (Günther, 1864) * '' Bufo hololius'' (Günther, 1876) * '' Xanthophryne koynayensis'' (Soman, 1963) * ''Xanthophryne tigerina'' Biju, Bocxlaer, Giri, Loader and Bossuyt, 2009 * Ladakh toad, '' Pseudepidalea latastii'' Boulenger, 1882 = ''Bufo latastii'' * Common Indian toad, ''Duttaphrynus melan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Endemic Fauna Of The Western Ghats
Endemism is the state of a species being found 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 be also be referred to as an ''endemism'' or in scientific literature as an ''endemite''. For example '' Cytisus aeolicus'' is an endemite of the Italian flora. '' Adzharia renschi'' was once believed to be an endemite of the Caucasus, but it was later discovered to be a non-indigenous species from South America belonging to a different genus. The extreme opposite of an endemic species is one with a cosmopolitan distribution, having a global or widespread range. A rare alternative term for a species that is endemic is "precinctive", which applies to s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nyctibatrachus
''Nyctibatrachus'' is a genus of frogs endemic to the Western Ghats of southwestern India. Their common name is night frogs. Their scientific name also means "night frog", in reference to their habits and dark color. They are the only extant members of the monotypic subfamily Nyctibatrachinae. Currently, 35 species belong to ''Nyctibatrachus.'' Description Members of the genus ''Nyctibatrachus'' are robust-bodied frogs that range in size from small ( snout–vent length <13 mm in ''Nyctibatrachus robinmoorei'') to relatively large (up to 84 mm '' Nyctibatrachus karnatakaensis''). The especially small species are among the smallest of all Indian frogs. They have a concealed tympanum, dorsum with longitudinal skin folds, femoral glands, and expanded finger and toes disks. They occur near streams in hilly ev ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
International Code Of Zoological Nomenclature
The International Code of Zoological Nomenclature (ICZN) is a widely accepted convention in zoology that rules the formal scientific naming of organisms treated as animals. It is also informally known as the ICZN Code, for its publisher, the International Commission on Zoological Nomenclature (which shares the acronym "ICZN"). The rules principally regulate: * How names are correctly established in the frame of binominal nomenclature * Which name must be used in case of name conflicts * How scientific literature must cite names Zoological nomenclature is independent of other systems of nomenclature, for example botanical nomenclature. This implies that animals can have the same generic names as plants (e.g. there is a genus ''Abronia'' in both animals and plants). The rules and recommendations have one fundamental aim: to provide the maximum universality and continuity in the naming of all animals, except where taxonomic judgment dictates otherwise. The code is meant to guid ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kozhikode
Kozhikode (), also known in English as Calicut, is a city along the Malabar Coast in the state of Kerala in India. It has a corporation limit population of 609,224 and a metropolitan population of more than 2 million, making it the second largest metropolitan area in Kerala and the 19th largest in India. Kozhikode is classified as a Tier 2 city by the Government of India. It is the largest city in the region known as the Malabar and was the capital of the British-era Malabar district. In antiquity and the medieval period, Kozhikode was dubbed the ''City of Spices'' for its role as the major trading point for Indian spices. It was the capital of an independent kingdom ruled by the Samoothiris (Zamorins). The port at Kozhikode acted as the gateway to medieval South Indian coast for the Chinese, the Persians, the Arabs and finally the Europeans. According to data compiled by economics research firm Indicus Analytics in 2009 on residences, earnings and investments, Kozhikode w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Zoological Survey Of India
The Zoological Survey of India (ZSI), founded on 1 July 1916 by Government of India Ministry of Environment, Forest and Climate Change, as premier Indian organisation in zoological research and studies to promote the survey, exploration and research of the fauna in the country. History The annals of Zoological Survey of India (ZSI) reflect an eventful beginning for the Survey even before its formal birth and growth. The history of ZSI begins from the days of the Asiatic Society of Bengal founded by Sir William Jones on 15 January 1784. The Asiatic Society of Bengal was the mother institution not only to the Indian Museum (1875) but also to the institutions like the Zoological Survey of India and the Geological Survey of India. ZSI's establishment was in fact a fulfillment of the dream of Sir William Jones, the founder of the Asiatic Society of Bengal, whose vision encompassed the entire range of human knowledge. The Asiatic Society had started collecting zoological and geol ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Habitat Loss
Habitat destruction (also termed habitat loss and habitat reduction) is the process by which a natural habitat becomes incapable of supporting its native species. The organisms that previously inhabited the site are displaced or dead, thereby reducing biodiversity and species abundance. Habitat destruction is the leading cause of biodiversity loss. Fragmentation and loss of habitat have become one of the most important topics of research in ecology as they are major threats to the survival of endangered species. Activities such as harvesting natural resources, industrial production and urbanization are human contributions to habitat destruction. Pressure from agriculture is the principal human cause. Some others include mining, logging, trawling, and urban sprawl. Habitat destruction is currently considered the primary cause of species extinction worldwide. Environmental factors can contribute to habitat destruction more indirectly. Geological processes, climate change, introdu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nyctibatrachidae
Nyctibatrachidae is a small family of frogs found in the Western Ghats of India and in Sri Lanka. Their common name is robust frogs. Recognition of Nyctibatrachidae as a family is fairly recent. These frogs were earlier on placed in the broadly defined family Ranidae, most recently divided in three subfamilies, Lankanectinae, Nyctibatrachinae, and Astrobatrachinae. Genera The family contains three genera in their own subfamilies: * Subfamily Astrobatrachinae **'' Astrobatrachus'' Vijayakumar ''et al.'', 2019 (Western Ghats of southwestern India – 1 species) *Subfamily Lankanectinae **'' Lankanectes'' Dubois and Ohler, 2001 (Sri Lanka – 2 species) * Subfamily Nyctibatrachinae **''Nyctibatrachus'' Boulenger, 1882 (Western Ghats of southwestern India – 28 species) Description ''Nyctibatrachus'' are robust-bodied frogs that range in size from small (snout–vent length <20 mm in '' |
River
A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of water. Small rivers can be referred to using names such as Stream#Creek, creek, Stream#Brook, brook, rivulet, and rill. There are no official definitions for the generic term river as applied to Geographical feature, geographic features, although in some countries or communities a stream is defined by its size. Many names for small rivers are specific to geographic location; examples are "run" in some parts of the United States, "Burn (landform), burn" in Scotland and northeast England, and "beck" in northern England. Sometimes a river is defined as being larger than a creek, but not always: the language is vague. Rivers are part of the water cycle. Water generally collects in a river from Precipitation (meteorology), precipitation through a ... [...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] |
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