|
Circaetus
''Circaetus'', the snake eagles, is a genus of medium-sized eagles in the bird of prey family Accipitridae. They are mainly resident African species, but the migratory short-toed snake eagle breeds from the Mediterranean basin into Russia, the Middle East and India, and winters in sub-Saharan Africa and east to Indonesia. Snake eagles are found in open habitats like cultivated plains arid savanna, but require trees in which to build a stick nest. The single egg is incubated mainly or entirely by the female. ''Circaetus'' eagles have a rounded head and broad wings. They prey on reptiles, mainly snakes, but also take lizards and occasionally small mammals. Taxonomy and species The genus ''Circaetus'' was introduced in 1816 by the French ornithologist Louis Jean Pierre Vieillot to accommodate a single species, the short-toed snake eagle, which is therefore considered the type species. The genus name is from the Ancient Greek Ancient Greek includes the forms of the Greek ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Circaetus Fasciolatus, Chiboma, Sofala, Birding Weto, A
''Circaetus'', the snake eagles, is a genus of medium-sized eagles in the bird of prey family Accipitridae. They are mainly resident African species, but the migratory short-toed snake eagle breeds from the Mediterranean basin into Russia, the Middle East and India, and winters in sub-Saharan Africa and east to Indonesia. Snake eagles are found in open habitats like cultivated plains arid savanna, but require trees in which to build a stick nest. The single egg is incubated mainly or entirely by the female. ''Circaetus'' eagles have a rounded head and broad wings. They prey on reptiles, mainly snakes, but also take lizards and occasionally small mammals. Taxonomy and species The genus ''Circaetus'' was introduced in 1816 by the French ornithologist Louis Jean Pierre Vieillot to accommodate a single species, the short-toed snake eagle, which is therefore considered the type species. The genus name is from the Ancient Greek Ancient Greek includes the forms of the Greek ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Short-toed Snake Eagle
The short-toed snake eagle (''Circaetus gallicus''), also known as the short-toed eagle, is a medium-sized bird of prey in the family Accipitridae, which also includes many other diurnal raptors such as kites, buzzards and harriers. The genus name ''Circaetus'' is from the Ancient Greek ''kirkos'', a type of hawk, and ''aetos'', "eagle". The specific ''gallicus'' means "of Gallia". Taxonomy The short-toed snake eagle was formally described in 1788 by the German naturalist Johann Friedrich Gmelin in his revised and expanded edition of Carl Linnaeus's ''Systema Naturae''. He placed it with the falcons, eagles and their relatives in the genus '' Falco'' and coined the binomial name ''Falco gallicus''. Gmelin based his description on the "Jean le Blanc" that had been described by the English ornithologist John Latham and the French ornithologists Mathurin Jacques Brisson and the Comte de Buffon. The short-toed snake eagle is now placed in the genus ''Circaetus'' that was introduced ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Short-toed Snake Eagle
The short-toed snake eagle (''Circaetus gallicus''), also known as the short-toed eagle, is a medium-sized bird of prey in the family Accipitridae, which also includes many other diurnal raptors such as kites, buzzards and harriers. The genus name ''Circaetus'' is from the Ancient Greek ''kirkos'', a type of hawk, and ''aetos'', "eagle". The specific ''gallicus'' means "of Gallia". Taxonomy The short-toed snake eagle was formally described in 1788 by the German naturalist Johann Friedrich Gmelin in his revised and expanded edition of Carl Linnaeus's ''Systema Naturae''. He placed it with the falcons, eagles and their relatives in the genus '' Falco'' and coined the binomial name ''Falco gallicus''. Gmelin based his description on the "Jean le Blanc" that had been described by the English ornithologist John Latham and the French ornithologists Mathurin Jacques Brisson and the Comte de Buffon. The short-toed snake eagle is now placed in the genus ''Circaetus'' that was introduced ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Brown Snake Eagle
The brown snake eagle (''Circaetus cinereus'') is a fairly large species of bird of prey in the family Accipitridae. It is found in West, East and southern Africa. This species is an almost obligate predator of a variety of snakes. A very solitary bird, the brown snake eagle has a prolonged breeding cycle and raises a single eaglet. Although probably naturally scarce, it is classified as a least concern species as it continues to occur over a very broad range. Distribution and habitat This species is distributed widely in Africa. In west Africa, ranges from southeastern Mauritania, Senegal, The Gambia, Guinea-Bissau, eastern and western Guinea, Sierra Leone, the northern, inland parts of Liberia, Ivory Coast, Ghana, Togo, Benin, Nigeria as well as inland in Mali and Niger. From there they range across to southern Chad, southern Sudan, South Sudan, inland in Eritrea and northern Ethiopia and central Ethiopia and in southern Somalia through much of Kenya, Uganda and the southern par ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Black-chested Snake-eagle (Circaetus Pectoralis)
The black-chested snake eagle or black-breasted snake eagle (''Circaetus pectoralis'') is a large African bird of prey of the family Accipitridae. It resembles other snake eagles and was formerly considered conspecific with the short-toed and Beaudouin's snake eagles, to which it is closely related. Taxonomy Although originally proposed as separate species, many authors previously considered both the black-chested and Beaudouin's snake eagles to be subspecies of the short-toed snake eagle (''Circaetus gallicus''). However, this convention was not followed by all taxonomists, with some citing differences in adult plumage and breeding ranges as evidence in favour of awarding each full species status. Brown (1974) followed this latter view, but cited several instances of alleged hybridization between the three forms which would justify their treatment as a single species under the Biological Species Concept. However, Clark (1999) suggested that these alleged hybridization events ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Black-chested Snake Eagle
The black-chested snake eagle or black-breasted snake eagle (''Circaetus pectoralis'') is a large African bird of prey of the family Accipitridae. It resembles other snake eagles and was formerly considered conspecific with the short-toed and Beaudouin's snake eagles, to which it is closely related. Taxonomy Although originally proposed as separate species, many authors previously considered both the black-chested and Beaudouin's snake eagles to be subspecies of the short-toed snake eagle (''Circaetus gallicus''). However, this convention was not followed by all taxonomists, with some citing differences in adult plumage and breeding ranges as evidence in favour of awarding each full species status. Brown (1974) followed this latter view, but cited several instances of alleged hybridization between the three forms which would justify their treatment as a single species under the Biological Species Concept. However, Clark (1999) suggested that these alleged hybridization events ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Southern Banded Snake Eagle
The southern banded snake eagle, also known as the East African snake eagle or fasciated snake eagle (''Circaetus fasciolatus'') is a species of snake eagle in the family Accipitridae which is found in eastern Sub-Saharan Africa. Description The Southern banded snake eagle is a rather small, stocky snake eagle with a large, rounded head which has a hooded beak. It has a grey-brown head contrasting slightly with the mainly blackish-brown upperparts and whitish underparts. The tail has a white tip and shows three distinct dark bands on the underside. The large eyes are pale yellow eyes, the feet and cere are yellow and the bill us black. The juvenile lacks the grey head, has mainly dark upperparts and the whitish pale underparts are marked with dark streaks on the face, throat and upper breast. The total length varies from 55 to 60 cm with females larger than males. Voice The Southern banded snake eagle is unobtrusive and is normally found due to its noisy, high-pitched call, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Beaudouin's Snake Eagle
Beaudouin's snake eagle (''Circaetus beaudouini'') is a species of snake eagle in the family Accipitridae found in the Sahel region of west Africa. It forms a superspecies with the Palearctic short-toed snake eagle ''Circaetus gallicus'' and the black-chested snake eagle ''Circaetus pectoralis''. This bird seems to be declining in numbers and the International Union for Conservation of Nature has rated it as a "vulnerable species". Description The bird has a wingspan of . A large snake eagle with grey-brown upperparts, including the head and chest, contrasting with white underparts barred with brown and white vent. It has a black bill and large, bright yellow eyes with long pale grey, unfeathered legs. Juveniles are all dark. Behaviour Normally seen on a prominent perch such as a telegraph pole or dead tree, as it is a sit-and-wait hunter, rather than in flight but generally behaviour is poorly known. The diet mainly consists of snakes and other small vertebrates. It breeds in N ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Western Banded Snake Eagle (Circaetus Cinerascens)
The western banded snake eagle (''Circaetus cinerascens'') is a grey-brown African raptor with a short tail and a large head. Juveniles have paler and browner upper parts than adults, with white-edged feathers. The eagle's head, neck and breast are dark-streaked. The underparts are white with pale brown streaks, mainly on belly and thighs. Subadults may be all dark grey-brown without any streak on underparts. The eyes, ears, and legs are yellow. They have crested chests. Habitat Western banded snake eagles live in woodlands, mainly along rivers, but they avoid dense forests. Behaviour Western banded snake eagles mainly hunt snakes, but also other small vertebrates, ambushing from a perch. They drop from the perch to trunk, foliage or ground. They are solitary birds, and very secretive. Due to their sedentary lifestyle, they are often detected only by their calls. The western banded snake eagle sometimes rises to soar, while it calls above the canon. They utter a loud, high-p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Western Banded Snake Eagle
The western banded snake eagle (''Circaetus cinerascens'') is a grey-brown African raptor with a short tail and a large head. Juveniles have paler and browner upper parts than adults, with white-edged feathers. The eagle's head, neck and breast are dark-streaked. The underparts are white with pale brown streaks, mainly on belly and thighs. Subadults may be all dark grey-brown without any streak on underparts. The eyes, ears, and legs are yellow. They have crested chests. Habitat Western banded snake eagles live in woodlands, mainly along rivers, but they avoid dense forests. Behaviour Western banded snake eagles mainly hunt snakes, but also other small vertebrates, ambushing from a perch. They drop from the perch to trunk, foliage or ground. They are solitary birds, and very secretive. Due to their sedentary lifestyle, they are often detected only by their calls. The western banded snake eagle sometimes rises to soar, while it calls above the canon. They utter a loud, high-p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eagle
Eagle is the common name for many large birds of prey of the family Accipitridae. Eagles belong to several groups of genera, some of which are closely related. Most of the 68 species of eagle are from Eurasia and Africa. Outside this area, just 14 species can be found—2 in North America, 9 in Central and South America, and 3 in Australia. Eagles are not a natural group but denote essentially any kind of bird of prey large enough to hunt sizeable (about 50 cm long or more overall) vertebrates. Description Eagles are large, powerfully-built birds of prey, with heavy heads and beaks. Even the smallest eagles, such as the booted eagle (''Aquila pennata''), which is comparable in size to a common buzzard (''Buteo buteo'') or red-tailed hawk (''B. jamaicensis''), have relatively longer and more evenly broad wings, and more direct, faster flight – despite the reduced size of aerodynamic feathers. Most eagles are larger than any other raptors apart from some vultures. The smalles ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
.jpg "Click for more on -> Circaetus Fasciolatus, Chiboma, Sofala, Birding Weto, A")
_in_flight.jpg "Click for more on -> Black-chested Snake-eagle (Circaetus Pectoralis)")
