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Arinae
The neotropical parrots or New World parrots comprise about 150 species in 32 genera found throughout South and Central America, Mexico, the Caribbean islands and (formerly) the southern United States. Among them are some of the most familiar and iconic parrots, including the blue and gold macaw, sun conure, and yellow-headed amazon. The parrots of the New World have been known to Europeans since Columbus remarked upon them in his journal in 1492. Systematic descriptions of the birds were first available in German naturalist Georg Marcgraf's '' Historia Naturalis Brasiliae'' published in 1648, and English naturalist Mark Catesby's two-volume ''Natural History of Carolina, Florida and the Bahama Islands'' published in London in 1731 and 1743. Several species and one genus have become extinct in recent centuries. A second genus is extinct in the wild. Over a third of the extant species are classified as threatened by the IUCN. A few of these are in imminent danger of extinctio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Parrot
Parrots, also known as psittacines (), are birds of the roughly 398 species in 92 genera comprising the order Psittaciformes (), found mostly in tropical and subtropical regions. The order is subdivided into three superfamilies: the Psittacoidea ("true" parrots), the Cacatuoidea (cockatoos), and the Strigopoidea (New Zealand parrots). One-third of all parrot species are threatened by extinction, with higher aggregate extinction risk ( IUCN Red List Index) than any other comparable bird group. Parrots have a generally pantropical distribution with several species inhabiting temperate regions in the Southern Hemisphere, as well. The greatest diversity of parrots is in South America and Australasia. Characteristic features of parrots include a strong, curved bill, an upright stance, strong legs, and clawed zygodactyl feet. Many parrots are vividly coloured, and some are multi-coloured. Most parrots exhibit little or no sexual dimorphism in the visual spectrum. They form the most ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arini (tribe)
The Arini tribe of the neotropical parrots is a monophyletic clade of macaws and parakeets (commonly called conures in aviculture) characterized by colorful plumage and long, tapering tails. They occur throughout Mexico, Central America, and South America, and formerly the Caribbean and North America. One genus and several species are extinct; another genus is extinct in the wild. Two species are known only through subfossil remains. About a dozen hypothetical extinct species (see Extinct Caribbean macaws) have been described, native to the Caribbean area. Among the Arini are some of the rarest birds in the world, such as Spix's macaw, which is extinct in the wild – fewer than 100 specimens survive in captivity. It also contains the largest flighted parrot in the world, the hyacinth macaw. Some species, such as the blue-and-yellow macaw and sun conure are popular pet parrots. Molecular studies have dated the divergence of the Arini tribe from the ancestral neotropical ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Androglossini
Androglossini is a tribe of birds belonging to the family Psittacidae,Leo Joseph, Alicia Toon, Erin E. Schirtzinger, Timothy F. Wright, Richard Schodde. 2012. A revised nomenclature and classification for family-group taxa of parrots (Psittaciformes)'' Zootaxa 3205: 26–40. whose members inhabit the Neotropical region. It is one of the two tribes of the subfamily Arinae The neotropical parrots or New World parrots comprise about 150 species in 32 genera found throughout South and Central America, Mexico, the Caribbean islands and (formerly) the southern United States. Among them are some of the most familiar an ..., next to Arini. Systematics References Psittacidae {{parrot-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Blue-throated Macaw
The blue-throated macaw (''Ara glaucogularis''), also known as the Caninde macaw or Wagler's macaw, is a macaw endemic to a small area of north-central Bolivia, known as Los Llanos de Moxos. In 2014 this species was designated by law as a natural patrimony of Bolivia, where it is known as ''barba azul'', which means 'blue beard' in Spanish. Until 2010, it was hunted by natives to make feathered "Moxeño" headdresses for "machetero" ritual dances. Recent population and range estimates suggest that about 350–400 individuals remain in the wild. Its demise was brought upon by nesting competition, avian predation, and a small native range, exacerbated by indigenous hunting and capture for the pet trade. Although plentiful in captivity, it is Critically Endangered in the wild and is protected by trading prohibitions. The name "Wagler's macaw" is in honor of German herpetologist Johann Georg Wagler, who processed many of Johan Baptist von Spix's Brazilian collections at the Ludw ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Threatened Species
Threatened species are any species (including animals, plants and fungi) which are vulnerable to endangerment in the near future. Species that are threatened are sometimes characterised by the population dynamics measure of '' critical depensation'', a mathematical measure of biomass related to population growth rate. This quantitative metric is one method of evaluating the degree of endangerment. IUCN definition The International Union for Conservation of Nature (IUCN) is the foremost authority on threatened species, and treats threatened species not as a single category, but as a group of three categories, depending on the degree to which they are threatened: *Vulnerable species * Endangered species * Critically endangered species Less-than-threatened categories are near threatened, least concern, and the no longer assigned category of conservation dependent. Species which have not been evaluated (NE), or do not have sufficient data ( data deficient) also are not consid ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. 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 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. phylogenetic analysis should cl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Extinction
Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point. Because a species' potential range may be very large, determining this moment is difficult, and is usually done retrospectively. This difficulty leads to phenomena such as Lazarus taxa, where a species presumed extinct abruptly "reappears" (typically in the fossil record) after a period of apparent absence. More than 99% of all species that ever lived on Earth, amounting to over five billion species, are estimated to have died out. It is estimated that there are currently around 8.7 million species of eukaryote globally, and possibly many times more if microorganisms, like bacteria, are included. Notable extinct animal species include non-avian dinosaurs, saber-toothed cats, dodos, m ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Extinct In The Wild
A species that is extinct in the wild (EW) is one that has been categorized by the International Union for Conservation of Nature as known only by living members kept in captivity or as a naturalized population outside its historic range due to massive habitat loss. Examples Examples of species and subspecies that are extinct in the wild include: * Alagoas curassow (last unconfirmed sighting reported in the late 1980s, listed extinct in the wild since 1994) * Beloribitsa * Cachorrito de charco palmal (last seen in 1994, listed extinct in the wild since 1996) * Christmas Island blue-tailed skink (listed extinct in the wild since 2014) *Dabry's sturgeon (listed extinct in the wild since 2022) * Escarpment cycad (listed extinct in the wild since 2006) * Franklinia (last seen in 1803, listed extinct in the wild since 1998) *Golden skiffia (listed extinct in the wild since 1996) * Guam kingfisher (listed extinct in the wild since 1986) * Hawaiian crow or ʻalalā (last seen in 2002 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Extant Taxon
Neontology is a part of biology that, in contrast to paleontology, deals with living (or, more generally, '' recent'') organisms. It is the study of extant taxa (singular: extant taxon): taxa (such as species, genera and families) with members still alive, as opposed to (all) being extinct. For example: * The moose (''Alces alces'') is an extant species, and the dodo (''Raphus cucullatus'') is an extinct species. * In the group of molluscs known as the cephalopods, there were approximately 600 extant species and 7,500 extinct species. A taxon can be classified as extinct if it is broadly agreed or certified that no members of the group are still alive. Conversely, an extinct taxon can be reclassified as extant if there are new discoveries of living species ("Lazarus species"), or if previously-known extant species are reclassified as members of the taxon. Most biologists, zoologists, and botanists are in practice neontologists, and the term neontologist is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Blue-and-yellow Macaw
The blue-and-yellow macaw (''Ara ararauna''), also known as the blue-and-gold macaw, is a large South American parrot with mostly blue top parts and light orange underparts, with gradient hues of green on top of its head. It is a member of the large group of neotropical parrots known as macaws. It inhabits forest (especially varzea, but also in open sections of ''terra firme'' or unflooded forest), woodland and savannah of tropical South America. They are popular in aviculture because of their striking color, ability to talk, ready availability in the marketplace, and close bonding to humans. They can also live for 65–70 years. Taxonomy The blue-and-yellow macaw was formally described by the Swedish naturalist Carl Linnaeus in 1758 in the tenth edition of his '' Systema Naturae''. He placed it with all the other parrots in the genus ''Psittacus'' and coined the binomial name ''Psittacus ararauna''. This macaw is now one of the eight extant species placed in the genus '' A ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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