Theristicus
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Theristicus
''Theristicus'' is a genus of birds in the family Threskiornithidae. They are found in open, grassy habitats in South America. All have a long, decurved dark Beak, bill, relatively short reddish legs that do not extend beyond the tail in flight (unlike e.g. ''Eudocimus'' and ''Plegadis''), and at least the back is grey. Taxonomy The genus ''Theristicus'' was erected by the German naturalist Johann Georg Wagler in 1832 with the black-faced ibis as the type species. The name is from the Ancient Greek ''theristikos'' meaning "of reaping". The genus contains four species. References

* Matheu, E., & J. del Hoyo (1992). Family Threskiornithidae (Ibises and Spoonbills). pp. 472–506 in: del Hoyo, J., A. Elliott, & J. Sargatal (editors). ''Handbook of the Birds of the World.'' Vol. 1. Ostrich to Ducks. Lynx Edicions, Barcelona. Theristicus, Threskiornithidae,   Bird genera Birds of South America, * Taxonomy articles created by Polbot {{Pelecaniformes-stub ...
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Theristicus
''Theristicus'' is a genus of birds in the family Threskiornithidae. They are found in open, grassy habitats in South America. All have a long, decurved dark Beak, bill, relatively short reddish legs that do not extend beyond the tail in flight (unlike e.g. ''Eudocimus'' and ''Plegadis''), and at least the back is grey. Taxonomy The genus ''Theristicus'' was erected by the German naturalist Johann Georg Wagler in 1832 with the black-faced ibis as the type species. The name is from the Ancient Greek ''theristikos'' meaning "of reaping". The genus contains four species. References

* Matheu, E., & J. del Hoyo (1992). Family Threskiornithidae (Ibises and Spoonbills). pp. 472–506 in: del Hoyo, J., A. Elliott, & J. Sargatal (editors). ''Handbook of the Birds of the World.'' Vol. 1. Ostrich to Ducks. Lynx Edicions, Barcelona. Theristicus, Threskiornithidae,   Bird genera Birds of South America, * Taxonomy articles created by Polbot {{Pelecaniformes-stub ...
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Plumbeous Ibis
The plumbeous ibis (''Theristicus caerulescens''), also formerly called the blue ibis,Hudson WH. 1920. ''Birds of La Plata'', Volume 2. J.M. Dent and Sons Ltd., New York. is a large distinctive ibis species endemic to parts of central South America. Taxonomy and systematics The plumbeous ibis has historically undergone frequent reclassification and been placed in various genera such as ''Molydophanes'', ''Geronticus'', ''Theresticus'' and ''Harpiprion''.Naumberg EMB. 1930. The birds of Mato Grosso, Brazil. A report on the birds secured by the Roosevelt-Rondon Expedition. ''Bulletin of the American Museum of Natural History'' 60.Hancock JA, Kushlan JA, Kahl MP. 1992. ''Storks, Ibises and Spoonbills of the World''. Academic Press. It has also been referred to as ''Ibis caerulescens''Wetmore A. 1926. Observations on the birds of Argentina, Paraguay, Uruguay, and Chile. ''United States National Museum Bulletin'' 133: 1-448. and ''Theresticus'' (''Harpiprion'') ''caerulescens''.Belton ...
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Andean Ibis
The Andean ibis (''Theristicus branickii'') is a species of bird in the family Threskiornithidae. It is found in grassland and fields in western South America. This species was considered a subspecies of the black-faced ibis, and some taxonomic authorities (including the American Ornithological Society) still consider it so. Description It has a total length of approximately . The head, neck and lower chest are buffish, the crown and nape are cinnamon, the upperparts and (often incomplete) chest-band are grey, the belly and flight feathers are black, and the wing-coverts are whitish (though not contrasting strongly with the grey upperparts). The bill, throat-wattle and bare skin around the eyes are blackish and the legs are red. The throat-wattle is smaller, the bill is shorter, the wing-coverts are greyer, the lower chest is paler and the cinnamon on the crown and nape is brighter and more extensive when compared to the black-faced ibis. Distribution and status The Andean ibis ...
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Andean Ibis (Theristicus Branickii) (4857015246)
The Andean ibis (''Theristicus branickii'') is a species of bird in the family Threskiornithidae. It is found in grassland and fields in western South America. This species was considered a subspecies of the black-faced ibis, and some taxonomic authorities (including the American Ornithological Society) still consider it so. Description It has a total length of approximately . The head, neck and lower chest are buffish, the crown and nape are cinnamon, the upperparts and (often incomplete) chest-band are grey, the belly and flight feathers are black, and the wing-coverts are whitish (though not contrasting strongly with the grey upperparts). The bill, throat-wattle and bare skin around the eyes are blackish and the legs are red. The throat-wattle is smaller, the bill is shorter, the wing-coverts are greyer, the lower chest is paler and the cinnamon on the crown and nape is brighter and more extensive when compared to the black-faced ibis. Distribution and status The Andean ibis ...
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Buff-necked Ibis
The buff-necked ibis (''Theristicus caudatus''), also known as the white-throated ibis, is a fairly large ibis found widely in open habitats of eastern and northern South America. It formerly included the similar black-faced ibis as a subspecies, but that species is almost entirely restricted to colder parts of South America, has a buff (not dark grey) lower chest, and lacks the contrasting large white wing-patches. Taxonomy The buff-necked ibis was described by the French polymath Georges-Louis Leclerc, Comte de Buffon in 1781 in his ''Histoire Naturelle des Oiseaux'' based on a specimen collected in Cayenne, French Guiana. The bird was also illustrated in a hand-coloured plate engraved by François-Nicolas Martinet in the ''Planches Enluminées D'Histoire Naturelle'' which was produced under the supervision of Edme-Louis Daubenton to accompany Buffon's text. Neither the plate caption nor Buffon's description included a scientific name but in 1783 the Dutch naturalist Pieter B ...
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Buff-necked Ibis (Theristicus Caudatus)
The buff-necked ibis (''Theristicus caudatus''), also known as the white-throated ibis, is a fairly large ibis found widely in open habitats of eastern and northern South America. It formerly included the similar black-faced ibis as a subspecies, but that species is almost entirely restricted to colder parts of South America, has a buff (not dark grey) lower chest, and lacks the contrasting large white wing-patches. Taxonomy The buff-necked ibis was described by the French polymath Georges-Louis Leclerc, Comte de Buffon in 1781 in his ''Histoire Naturelle des Oiseaux'' based on a specimen collected in Cayenne, French Guiana. The bird was also illustrated in a hand-coloured plate engraved by François-Nicolas Martinet in the ''Planches Enluminées D'Histoire Naturelle'' which was produced under the supervision of Edme-Louis Daubenton to accompany Buffon's text. Neither the plate caption nor Buffon's description included a scientific name but in 1783 the Dutch naturalist Pieter Bod ...
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Black-faced Ibis
The black-faced ibis (''Theristicus melanopis'') is a species of bird in the family Threskiornithidae. It is found in grassland and fields in southern and western South America. It has been included as a subspecies of the similar buff-necked ibis, but today all major authorities accept the split. The black-faced ibis also includes the Andean ibis (''T. branickii'') as a subspecies. Some taxonomic authorities (including the American Ornithological Society) still do so. Taxonomy The black-faced ibis was formally described in 1789 by the German naturalist Johann Friedrich Gmelin in his revised and expanded edition of Carl Linnaeus's '' Systema Naturae''. He placed it in the genus ''Tantalus'' and coined the binomial name ''Tantalus melanopsis''. Gmelin based his description on the "black-faced ibis" that had been described and illustrated in 1785 by the English ornithologist John Lathamin his book ''A General Synopsis of Birds''. Latham had based his account on a specimen i ...
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Black-faced Ibis
The black-faced ibis (''Theristicus melanopis'') is a species of bird in the family Threskiornithidae. It is found in grassland and fields in southern and western South America. It has been included as a subspecies of the similar buff-necked ibis, but today all major authorities accept the split. The black-faced ibis also includes the Andean ibis (''T. branickii'') as a subspecies. Some taxonomic authorities (including the American Ornithological Society) still do so. Taxonomy The black-faced ibis was formally described in 1789 by the German naturalist Johann Friedrich Gmelin in his revised and expanded edition of Carl Linnaeus's '' Systema Naturae''. He placed it in the genus ''Tantalus'' and coined the binomial name ''Tantalus melanopsis''. Gmelin based his description on the "black-faced ibis" that had been described and illustrated in 1785 by the English ornithologist John Lathamin his book ''A General Synopsis of Birds''. Latham had based his account on a specimen i ...
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Threskiornithidae
The family Threskiornithidae includes 36 species of large wading birds. The family has been traditionally classified into two subfamilies, the ibises and the spoonbills; however recent genetic studies have cast doubt on this arrangement, and have found the spoonbills to be nested within the Old World ibises, and the New World ibises as an early offshoot. Taxonomy The family Threskiornithidae was formerly known as Plataleidae. The spoonbills and ibises were once thought to be related to other groups of long-legged wading birds in the order Ciconiiformes. A recent study found that they are members of the order Pelecaniformes. In response to these findings, the International Ornithological Congress (IOC) recently reclassified Threskiornithidae and their sister taxa Ardeidae under the order Pelecaniformes instead of the previous order of Ciconiiformes. Whether the two subfamilies are reciprocally monophyletic is an open question. The South American Checklist Committee's entry for th ...
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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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Wildlife In And Around Reserva Laguna Nimez In El Calafate, Argentina - There Is Some Uncertainty Here Amongst Some Authorities- Is This The Black Faced Ibis (Theristicus Melanops) - OR - The (24560030193)
Wildlife refers to undomesticated animal species, but has come to include all organisms that grow or live wild in an area without being introduced by humans. Wildlife was also synonymous to game: those birds and mammals that were hunted for sport. Wildlife can be found in all ecosystems. Deserts, plains, grasslands, woodlands, forests, and other areas, including the most developed urban areas, all have distinct forms of wildlife. While the term in popular culture usually refers to animals that are untouched by human factors, most scientists agree that much wildlife is affected by human activities. Some wildlife threaten human safety, health, property, and quality of life. However, many wild animals, even the dangerous ones, have value to human beings. This value might be economic, educational, or emotional in nature. Humans have historically tended to separate civilization from wildlife in a number of ways, including the legal, social, and moral senses. Some animals, howeve ...
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Ancient Greek
Ancient Greek includes the forms of the Greek language used in ancient Greece and the ancient world from around 1500 BC to 300 BC. It is often roughly divided into the following periods: Mycenaean Greek (), Dark Ages (), the Archaic period (), and the Classical period (). Ancient Greek was the language of Homer and of fifth-century Athenian historians, playwrights, and philosophers. It has contributed many words to English vocabulary and has been a standard subject of study in educational institutions of the Western world since the Renaissance. This article primarily contains information about the Epic and Classical periods of the language. From the Hellenistic period (), Ancient Greek was followed by Koine Greek, which is regarded as a separate historical stage, although its earliest form closely resembles Attic Greek and its latest form approaches Medieval Greek. There were several regional dialects of Ancient Greek, of which Attic Greek developed into Koine. Dia ...
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