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Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Superclassis: Sarcopterygii
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Infraclassis: Archosauromorpha
Cladus: Crurotarsi
Divisio: Archosauria
Cladus: Avemetatarsalia
Cladus: Ornithodira
Subtaxon: Dinosauromorpha
Cladus: Dinosauriformes
Cladus: Dracohors
Cladus: Dinosauria
Ordo: Saurischia
Cladus: Eusaurischia
Cladus: Theropoda
Cladus: Neotheropoda
Cladus: Averostra
Cladus: Tetanurae
Cladus: Avetheropoda
Cladus: Coelurosauria
Cladus: Tyrannoraptora
Cladus: Maniraptoromorpha
Cladus: Maniraptoriformes
Cladus: Maniraptora
Cladus: Pennaraptora
Cladus: Paraves
Cladus: Eumaniraptora
Cladus: Avialae
Infraclassis: Aves
Cladus: Euavialae
Cladus: Avebrevicauda
Cladus: Pygostylia
Cladus: Ornithothoraces
Cladus: Euornithes
Cladus: Ornithuromorpha
Cladus: Ornithurae
Cladus: Carinatae
Parvclassis: Neornithes
Cohors: Neognathae
Cladus: Neoaves
Cladus: Aequornithes
Ordo: Pelecaniformes
Familia: Threskiornithidae
Genus: Theristicus
Species: Theristicus caudatus
Subspecies: T. c. caudatus - T. c. hyperorius
Name
Theristicus caudatus (Boddaert, 1783)
References
Table des Planches Enluminéez d'Histoire Naturelle de M. D'Aubenton. p. 57
Vernacular names
čeština: Ibis bělokřídlý
English: Buff-necked Ibis
polski: ibis płowy
português: Curicaca
Türkçe: Sarı boyunlu aynak
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.[2] 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.[3] Neither the plate caption nor Buffon's description included a scientific name but in 1783 the Dutch naturalist Pieter Boddaert coined the binomial name Scolopax caudatus in his catalogue of the Planches Enluminées.[4] The buff-necked ibis is now placed in the genus Theristicus that was erected by the German naturalist Johann Georg Wagler in 1832.[5][6] The name of the genus is from the Ancient Greek theristikos meaning "of reaping"; the specific epithet is from the Latin caudatus meaning "tailed".[7]
Two subspecies are recognised:[6]
T. c. caudatus (Boddaert, 1783) – northern South America to Mato Grosso in southwest Brazil
T. c. hyperorius Todd, 1948 – east Bolivia to south Brazil and north Argentina
Description
It has a total length of approximately 75 centimetres (30 in). The neck is buffish, the upperparts are grey, the belly and flight feathers are black, and there is a large white patch in the wings. In flight, where the relatively short legs do not extend beyond the tail (unlike e.g. Eudocimus and Plegadis), the white patch forms a broad white band on the upperwing that separates the black remiges and the grey lesser wing-coverts. The bill and bare skin around the eyes are blackish and the legs are red.
Habitat and status
The buff-necked ibis lives in a wide range of open habitats, including fields, marshes, savanna and grassland. There are two primary populations; the nominate subspecies is found across northern and central South America in Colombia, Venezuela, the Guianas and Brazil, while the very similar subspecies hyperorius is found in south-central South America in southern Brazil, eastern and northern Bolivia, Paraguay, Uruguay, and northern Argentina. It is almost entirely restricted to tropical and warmer subtropical lowlands, but very locally it extends into highlands (though never as high as the Andean ibis). It is almost entirely resident, although local movements may occur. It has been recorded as an accidental visitor in Panama.
With a large range and an estimated population of 25,000 to 100,000, the buff-necked ibis is evaluated as Least Concern on the IUCN Red List of Threatened Species.
Behavior
Its diet consists mainly of insects, spiders, frogs, reptiles, snails, invertebrates and small mammals found in soft soils. The female usually lays two to four eggs in a platform nest, made from twigs and branches, in a tree.
References
BirdLife International (2016). "Theristicus caudatus". IUCN Red List of Threatened Species. 2016: e.T22697441A93614046. doi:10.2305/IUCN.UK.2016-3.RLTS.T22697441A93614046.en. Retrieved 19 November 2021.
Buffon, Georges-Louis Leclerc de (1781). "Le grand courlis de Cayenne". Histoire Naturelle des Oiseaux (in French). Vol. 15. Paris: De L'Imprimerie Royale. p. 75.
Buffon, Georges-Louis Leclerc de; Martinet, François-Nicolas; Daubenton, Edme-Louis; Daubenton, Louis-Jean-Marie (1765–1783). "Courly à col blanc, de Cayenne". Planches Enluminées D'Histoire Naturelle. Vol. 10. Paris: De L'Imprimerie Royale. Plate 976.
Boddaert, Pieter (1783). Table des planches enluminéez d'histoire naturelle de M. D'Aubenton : avec les denominations de M.M. de Buffon, Brisson, Edwards, Linnaeus et Latham, precedé d'une notice des principaux ouvrages zoologiques enluminés (in French). Utrecht. p. 57, Number 976.
Wagler, Johann Georg (1832). "Neue Sippen und Gattungen der Säugthiere und Vögel". Isis von Oken (in German and Latin). cols 1218–1235 [1231].
Gill, Frank; Donsker, David, eds. (2019). "Ibis, spoonbills, herons, hamerkop, shoebill, pelicans". World Bird List Version 9.2. International Ornithologists' Union. Retrieved 16 July 2019.
Jobling, James A. (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. pp. 94, 384. ISBN 978-1-4081-2501-4.
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. ISBN 84-87334-10-5
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.[2] 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.[3] Neither the plate caption nor Buffon's description included a scientific name but in 1783 the Dutch naturalist Pieter Boddaert coined the binomial name Scolopax caudatus in his catalogue of the Planches Enluminées.[4] The buff-necked ibis is now placed in the genus Theristicus that was erected by the German naturalist Johann Georg Wagler in 1832.[5][6] The name of the genus is from the Ancient Greek theristikos meaning "of reaping"; the specific epithet is from the Latin caudatus meaning "tailed".[7]
Two subspecies are recognised:[6]
T. c. caudatus (Boddaert, 1783) – northern South America to Mato Grosso in southwest Brazil
T. c. hyperorius Todd, 1948 – east Bolivia to south Brazil and north Argentina
Description
It has a total length of approximately 75 centimetres (30 in). The neck is buffish, the upperparts are grey, the belly and flight feathers are black, and there is a large white patch in the wings. In flight, where the relatively short legs do not extend beyond the tail (unlike e.g. Eudocimus and Plegadis), the white patch forms a broad white band on the upperwing that separates the black remiges and the grey lesser wing-coverts. The bill and bare skin around the eyes are blackish and the legs are red.
Habitat and status
The buff-necked ibis lives in a wide range of open habitats, including fields, marshes, savanna and grassland. There are two primary populations; the nominate subspecies is found across northern and central South America in Colombia, Venezuela, the Guianas and Brazil, while the very similar subspecies hyperorius is found in south-central South America in southern Brazil, eastern and northern Bolivia, Paraguay, Uruguay, and northern Argentina. It is almost entirely restricted to tropical and warmer subtropical lowlands, but very locally it extends into highlands (though never as high as the Andean ibis). It is almost entirely resident, although local movements may occur. It has been recorded as an accidental visitor in Panama.
With a large range and an estimated population of 25,000 to 100,000, the buff-necked ibis is evaluated as Least Concern on the IUCN Red List of Threatened Species.
Behavior
Its diet consists mainly of insects, spiders, frogs, reptiles, snails, invertebrates and small mammals found in soft soils. The female usually lays two to four eggs in a platform nest, made from twigs and branches, in a tree.
References
BirdLife International (2016). "Theristicus caudatus". IUCN Red List of Threatened Species. 2016: e.T22697441A93614046. doi:10.2305/IUCN.UK.2016-3.RLTS.T22697441A93614046.en. Retrieved 19 November 2021.
Buffon, Georges-Louis Leclerc de (1781). "Le grand courlis de Cayenne". Histoire Naturelle des Oiseaux (in French). Vol. 15. Paris: De L'Imprimerie Royale. p. 75.
Buffon, Georges-Louis Leclerc de; Martinet, François-Nicolas; Daubenton, Edme-Louis; Daubenton, Louis-Jean-Marie (1765–1783). "Courly à col blanc, de Cayenne". Planches Enluminées D'Histoire Naturelle. Vol. 10. Paris: De L'Imprimerie Royale. Plate 976.
Boddaert, Pieter (1783). Table des planches enluminéez d'histoire naturelle de M. D'Aubenton : avec les denominations de M.M. de Buffon, Brisson, Edwards, Linnaeus et Latham, precedé d'une notice des principaux ouvrages zoologiques enluminés (in French). Utrecht. p. 57, Number 976.
Wagler, Johann Georg (1832). "Neue Sippen und Gattungen der Säugthiere und Vögel". Isis von Oken (in German and Latin). cols 1218–1235 [1231].
Gill, Frank; Donsker, David, eds. (2019). "Ibis, spoonbills, herons, hamerkop, shoebill, pelicans". World Bird List Version 9.2. International Ornithologists' Union. Retrieved 16 July 2019.
Jobling, James A. (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. pp. 94, 384. ISBN 978-1-4081-2501-4.
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. ISBN 84-87334-10-5
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