Erythrotriorchis
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Erythrotriorchis
''Erythrotriorchis'' is a genus of bird of prey in the family Accipitridae. It contains the following species: * Chestnut-shouldered goshawk (''Erythrotriorchis buergersi'') * Red goshawk (''Erythrotriorchis radiatus'') Etymology "Erythro-" is from a Greek word for "red", and "triorchis" meant a kind of hawk thought to have three testicles. For further details see '' Eutriorchis''. Taxonomy Latham described the red goshawk as ''Falco radiatus'' in 1801. Sharpe definedAs cited by Peters: ''Erythrotriorchis'' in 1875 as a new monotypic genus for ''Falco radiatus''. Peters also included ''E. doriae'' in the genus, p225/ref> though Doria's goshawk Doria's goshawk or Doria's hawk, (''Megatriorchis doriae'') is a raptor, the only member of the genus ''Megatriorchis''. Description At up to 69 cm long, it is among the biggest hawks in the broad sense. It is greyish-brown with a black-b ... is now classified separately as ''Megatriorchis doriae''. References B ...
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Red Goshawk
The red goshawk (''Erythrotriorchis radiatus'') is probably the rarest Australian bird of prey. It is found mainly in the savanna woodlands of northern Australia, particularly near watercourses. It takes a broad range of live prey, mostly birds. Taxonomy The red goshawk was first described by the English ornithologist John Latham in 1801 under the binomial name ''Falco radiatus''. The species used to be regarded as a very large member of the goshawk subfamily, Accipitrinae, but it is now believed that the resemblance to these other birds is convergent. Experts now group the red goshawk with the superficially dissimilar black-breasted buzzard ''Hamirostra melanosternon'' and square-tailed kite ''Lophoictinia isura'' as one of the Australasian old endemic raptors. It is believed that the ancestors of these birds, possibly together with a handful of species from South-east Asia and Africa, occupied Gondwana and over millions of years have diverged into their current forms. Gen ...
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Erythrotriorchis
''Erythrotriorchis'' is a genus of bird of prey in the family Accipitridae. It contains the following species: * Chestnut-shouldered goshawk (''Erythrotriorchis buergersi'') * Red goshawk (''Erythrotriorchis radiatus'') Etymology "Erythro-" is from a Greek word for "red", and "triorchis" meant a kind of hawk thought to have three testicles. For further details see '' Eutriorchis''. Taxonomy Latham described the red goshawk as ''Falco radiatus'' in 1801. Sharpe definedAs cited by Peters: ''Erythrotriorchis'' in 1875 as a new monotypic genus for ''Falco radiatus''. Peters also included ''E. doriae'' in the genus, p225/ref> though Doria's goshawk Doria's goshawk or Doria's hawk, (''Megatriorchis doriae'') is a raptor, the only member of the genus ''Megatriorchis''. Description At up to 69 cm long, it is among the biggest hawks in the broad sense. It is greyish-brown with a black-b ... is now classified separately as ''Megatriorchis doriae''. References B ...
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Chestnut-shouldered Goshawk
The chestnut-shouldered goshawk (''Erythrotriorchis buergersi'') is a species of bird of prey in the family Accipitridae. It is found in New Guinea New Guinea (; Hiri Motu Hiri Motu, also known as Police Motu, Pidgin Motu, or just Hiri, is a language of Papua New Guinea, which is spoken in surrounding areas of Port Moresby (Capital of Papua New Guinea). It is a simplified version of .... References chestnut-shouldered goshawk Birds of prey of New Guinea chestnut-shouldered goshawk Taxonomy articles created by Polbot {{Accipitriformes-stub ...
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Accipitridae
The Accipitridae is one of the three families within the order Accipitriformes, and is a family of small to large birds with strongly hooked bills and variable morphology based on diet. They feed on a range of prey items from insects to medium-sized mammals, with a number feeding on carrion and a few feeding on fruit. The Accipitridae have a cosmopolitan distribution, being found on all the world's continents (except Antarctica) and a number of oceanic island groups. Some species are migratory. The family contains 255 species which are divided into 70 genera. Many well-known birds such as hawks, eagles, kites, harriers and Old World vultures are included in this group. The osprey is usually placed in a separate family (Pandionidae), as is the secretary bird (Sagittariidae), and the New World vultures are also usually now regarded as a separate family or order. Karyotype data indicate the accipitrids analysed are indeed a distinct monophyletic group. Systematics and phylogeny ...
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Doria's Goshawk
Doria's goshawk or Doria's hawk, (''Megatriorchis doriae'') is a raptor, the only member of the genus ''Megatriorchis''. Description At up to 69 cm long, it is among the biggest hawks in the broad sense. It is greyish-brown with a black-barred crown and upperparts, whitish underparts, a black streak behind the eye, dark brown irises, a blackish bill and greenish-yellow legs. The sexes are similar. The female is slightly larger than the male. Habitat and distribution Doria's goshawk is endemic to lowland rainforests of New Guinea and Batanta Island. Its diet consists mainly of birds, including the lesser bird of paradise, and other small animals. Conservation Due to ongoing habitat loss, Doria's goshawk is evaluated as Near Threatened on the IUCN Red List of Threatened Species. It is listed on Appendix II of CITES. Etymology In the genus name, "Mega-" is from the Greek word for "big". "Triorchis" was Greek for a kind of hawk thought to have three testicles — see '' Eu ...
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Richard Bowdler Sharpe
Richard Bowdler Sharpe (22 November 1847 – 25 December 1909) was an English zoologist and ornithologist who worked as curator of the bird collection at the British Museum of natural history. In the course of his career he published several monographs on bird groups and produced a multi-volume catalogue of the specimens in the collection of the museum. He described many new species of bird and also has had species named in his honour by other ornithologists including Sharpe's longclaw (''Macronyx sharpei'') and Sharpe's starling (''Poeoptera sharpii''). Biography Richard was born in London, the first son of Thomas Bowdler Sharpe. His grandfather, Reverend Lancelot Sharpe was Rector of All Hallows Staining. His father was a publisher on Skinner Street and was best known for being the publisher of ''Sharpe's London Magazine'', an illustrated periodical (weekly but monthly from 1847). His care from the age of six was under an aunt, Magdalen Wallace, widow of the headmaster at Gramm ...
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Bird Of Prey
Birds of prey or predatory birds, also known as raptors, are hypercarnivorous bird species that actively hunt and feed on other vertebrates (mainly mammals, reptiles and other smaller birds). In addition to speed and strength, these predators have keen eyesight for detecting prey from a distance or during flight, strong feet with sharp talons for grasping or killing prey, and powerful, curved beaks for tearing off flesh. Although predatory birds primarily hunt live prey, many species (such as fish eagles, vultures and condors) also scavenge and eat carrion. Although the term "bird of prey" could theoretically be taken to include all birds that actively hunt and eat other animals, ornithologists typically use the narrower definition followed in this page, excluding both piscivorous predators such as storks, herons, gulls, skuas, penguins and kingfishers, as well as primarily insectivorous birds such as passerine birds (e.g. shrikes) and birds like nightjars and frogmouths. So ...
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Greek Language
Greek ( el, label=Modern Greek, Ελληνικά, Elliniká, ; grc, Ἑλληνική, Hellēnikḗ) is an independent branch of the Indo-European family of languages, native to Greece, Cyprus, southern Italy (Calabria and Salento), southern Albania, and other regions of the Balkans, the Black Sea coast, Asia Minor, and the Eastern Mediterranean. It has the longest documented history of any Indo-European language, spanning at least 3,400 years of written records. Its writing system is the Greek alphabet, which has been used for approximately 2,800 years; previously, Greek was recorded in writing systems such as Linear B and the Cypriot syllabary. The alphabet arose from the Phoenician script and was in turn the basis of the Latin, Cyrillic, Armenian, Coptic, Gothic, and many other writing systems. The Greek language holds a very important place in the history of the Western world. Beginning with the epics of Homer, ancient Greek literature includes many works of lasting impo ...
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Testicle
A testicle or testis (plural testes) is the male reproductive gland or gonad in all bilaterians, including humans. It is homologous to the female ovary. The functions of the testes are to produce both sperm and androgens, primarily testosterone. Testosterone release is controlled by the anterior pituitary luteinizing hormone, whereas sperm production is controlled both by the anterior pituitary follicle-stimulating hormone and gonadal testosterone. Structure Appearance Males have two testicles of similar size contained within the scrotum, which is an extension of the abdominal wall. Scrotal asymmetry, in which one testicle extends farther down into the scrotum than the other, is common. This is because of the differences in the vasculature's anatomy. For 85% of men, the right testis hangs lower than the left one. Measurement and volume The volume of the testicle can be estimated by palpating it and comparing it to ellipsoids of known sizes. Another method is to use caliper ...
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Madagascar Serpent Eagle
The Madagascar serpent eagle (''Eutriorchis astur'') is a species of bird of prey in the family Accipitridae. It is placed in the monotypic genus ''Eutriorchis''. It is endemic to Madagascar. Its natural habitat is subtropical or tropical moist lowland forests. It is threatened by habitat loss. Description The Madagascar serpent eagle is a medium-sized raptor with a long rounded tail and short rounded wings. It is dark grey on its back and a lighter grey on its belly, breast, and throat. Dark barring covers the bird's body. It has yellow eyes and a sharp, hooked beak with strong talons. It measures long with a wingspan of . Distribution and habitat This bird inhabits dense, humid, and broadleafed evergreen forests in northeastern and east-central Madagascar. It rarely ventures above 550 meters (1800 ft). Ecology and behavior This serpent-eagle is diurnal. It eats lemurs both large and small, snakes, lizards, and frogs, which it hunts from high perches, swooping down from ...
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Bird Genera
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. Bi ...
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