Nigrita Luteifrons
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Nigrita Luteifrons
The pale-fronted nigrita (''Nigrita luteifrons'') is a common species of estrildid finch found in Africa. It has an estimated global extent of occurrence of 2,500,000 km2. It is widespread throughout the African tropical rainforest. The IUCN has classified the species as being of least concern. References External linksBirdLife International species factsheet pale-fronted nigrita pale-fronted nigrita The pale-fronted nigrita (''Nigrita luteifrons'') is a common species of estrildid finch found in Africa. It has an estimated global extent of occurrence of 2,500,000 km2. It is widespread throughout the African tropical rainforest. The ...
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Jules Verreaux
Jules Pierre Verreaux (24 August 1807 – 7 September 1873) was a French botanist and ornithologist and a professional collector of and trader in natural history specimens. He was the brother of Édouard Verreaux and nephew of Pierre Antoine Delalande. Career Verreaux worked for the family business, Maison Verreaux, established in 1803 by his father, Jacques Philippe Verreaux, at Place des Vosges in Paris, which was the earliest known company that dealt in objects of natural history. The company funded collection expeditions to various parts of the world. Maison Verreaux sold many specimens to the Muséum National d'Histoire Naturelle to add to its collections. In 1830, while travelling in modern-day Botswana, Verreaux witnessed the burial of a Tswana warrior. Verreaux returned to the burial site under cover of night to dig up the African's body where he retrieved the skin, the skull and a few bones. Verreaux intended to ship the body back to France and so prepared and preser ...
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Estrildid Finch
Estrildidae, or estrildid finches, is a family of small seed-eating passerine birds of the Old World tropics and Australasia. They comprise species commonly known as munias, mannikins, firefinches, parrotfinches and waxbills. Despite the word "finch" being included in the common names of some species, they are not closely related to birds with this name in other families, such as the Fringillidae, Emberizidae or Passerellidae. They are gregarious and often colonial seed eaters with short, thick, but pointed bills. They are all similar in structure and habits, but vary widely in plumage colours and patterns. All estrildids build large, domed nests and lay five to ten white eggs. Many species build roost nests. Some of the firefinches and pytilias are hosts to the brood-parasitic indigobirds and whydahs, respectively. Most are sensitive to cold and require warm, usually tropical, habitats, although a few, such as the eastern alpine mannikin, mountain firetail, red-browed f ...
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Tropical Forest
Tropical forests (a.k.a. jungle) are forested landscapes in tropical regions: ''i.e.'' land areas approximately bounded by the tropic of Cancer and Capricorn, but possibly affected by other factors such as prevailing winds. Some tropical forest types are difficult to categorise. While forests in temperate areas are readily categorised on the basis of tree canopy density, such schemes do not work well in tropical forests. There is no single scheme that defines what a forest is, in tropical regions or elsewhere.Anatoly Shvidenko, Charles Victor Barber, Reidar Persson et al. 2005 "Millennium Ecosystem Assessment." Ecosystems and human wellbeing: a framework for assessment Washington, DC: Island Press Because of these difficulties, information on the extent of tropical forests varies between sources. However, tropical forests are extensive, making up just under half the world's forests. The tropical domain has the largest proportion of the world’s forests (45 percent), followed by ...
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IUCN
The International Union for Conservation of Nature (IUCN; officially International Union for Conservation of Nature and Natural Resources) is an international organization working in the field of nature conservation and sustainable use of natural resources. It is involved in data gathering and analysis, research, field projects, advocacy, and education. IUCN's mission is to "influence, encourage and assist societies throughout the world to conserve nature and to ensure that any use of natural resources is equitable and ecologically sustainable". Over the past decades, IUCN has widened its focus beyond conservation ecology and now incorporates issues related to sustainable development in its projects. IUCN does not itself aim to mobilize the public in support of nature conservation. It tries to influence the actions of governments, business and other stakeholders by providing information and advice and through building partnerships. The organization is best known to the wider ...
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Least Concern
A least-concern species is a species that has been categorized by the International Union for Conservation of Nature (IUCN) as evaluated as not being a focus of species conservation because the specific species is still plentiful in the wild. They do not qualify as threatened, near threatened, or (before 2001) conservation dependent. Species cannot be assigned the "Least Concern" category unless they have had their population status evaluated. That is, adequate information is needed to make a direct, or indirect, assessment of its risk of extinction based on its distribution or population status. Evaluation Since 2001 the category has had the abbreviation "LC", following the IUCN 2001 Categories & Criteria (version 3.1). Before 2001 "least concern" was a subcategory of the "Lower Risk" category and assigned the code "LR/lc" or lc. Around 20% of least concern taxa (3261 of 15636) in the IUCN database still use the code "LR/lc", which indicates they have not been re-evaluate ...
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Nigrita (bird)
The nigritas, formerly called negrofinches, are small passerine birds belonging to the genus ''Nigrita'' in the estrildid finch family Estrildidae. There are four species which occur in forest, secondary growth and scrubland in West, Central and East Africa. They are 10-15 centimetres long. The bill is short and black and is fairly slender in some species. The colour of the plumage varies but all have a dark tail. The upperparts are grey or brown and the underparts are black, grey, white or reddish brown. The grey-headed nigrita and male pale-fronted nigrita have a black face and the white-breasted nigrita has a black cap. Nigritas have whistling or trilling songs and calls. They feed on insects, fruit and seeds A seed is an embryonic plant enclosed in a protective outer covering, along with a food reserve. The formation of the seed is a part of the process of reproduction in seed plants, the spermatophytes, including the gymnosperm and angiosperm pl .... They often ...
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