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Bosjakkalsvoël ( Afrikaans )

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Die Bosjakkalsvoël (Buteo trizonatus, sin. Buteo oreophilus trizonatus) is 'n endemiese, gelokaliseerde standvoël wat in woude en plantasies in streke in Suid-Afrika voorkom. Die voël is 45 – 50 cm groot, weeg 510 - 700 g met 'n vlerkspan van 1,0 - 1.2 meter. Die voël vang meestal knaagdiere, reptiele en voëls. In Engels staan die voël bekend as Forest buzzard.

Sien ook

Wikispecies
Wikispecies het meer inligting oor: Buteo trizonatus

Bron

Verwysings

  1. BirdLife International (2012). "Buteo oreophilus". IUCN Rooilys van Bedreigde Spesies. Weergawe 2012.1. Internasionale Unie vir die Bewaring van die Natuur. Besoek op 16 Julie 2012.
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Bosjakkalsvoël: Brief Summary ( Afrikaans )

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Die Bosjakkalsvoël (Buteo trizonatus, sin. Buteo oreophilus trizonatus) is 'n endemiese, gelokaliseerde standvoël wat in woude en plantasies in streke in Suid-Afrika voorkom. Die voël is 45 – 50 cm groot, weeg 510 - 700 g met 'n vlerkspan van 1,0 - 1.2 meter. Die voël vang meestal knaagdiere, reptiele en voëls. In Engels staan die voël bekend as Forest buzzard.

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Aligot del Cap ( Catalan; Valencian )

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L'aligot del Cap (Buteo trizonatus) és un ocell de la família dels accipítrids (Accipitridae) sovint considerat una subespècie de Buteo oreophilus. Habita muntanyes d'Àfrica Oriental des del sud-est de Sudan i oest i centre d'Etiòpia, cap al sud fins a Tanzània i Malawi.

Referències

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Aligot del Cap: Brief Summary ( Catalan; Valencian )

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L'aligot del Cap (Buteo trizonatus) és un ocell de la família dels accipítrids (Accipitridae) sovint considerat una subespècie de Buteo oreophilus. Habita muntanyes d'Àfrica Oriental des del sud-est de Sudan i oest i centre d'Etiòpia, cap al sud fins a Tanzània i Malawi.

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Kapbussard ( German )

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Der Kapbussard (Buteo trizonatus) ist ein Greifvogel aus der Familie der Habichtartigen (Accipitridae).[1][2]

Er wurde als konspezifisch mit dem Mäusebussard (Buteo buteo) angesehen, dann bis vor kurzem mit dem Bergbussard (Buteo oreophilus).

Er kommt in Südafrika vor am Westkap und Ostkap nördlich bis Limpopo.

Der Lebensraum umfasst Wald und Waldränder der gemäßigten Zonen bis 1500 m über dem Meeresspiegel.[3]

Der Artzusatz kommt von lateinisch tri- ‚drei-‘ und lateinisch zonatus ‚gebändert‘.[4]

Merkmale

Die Art ist 41 bis 48 cm groß, wiegt um die 700 g, die Flügelspannweite liegt zwischen 102 und 117 cm. Sie ähnelt dem Bergbussard (Buteo oreophilus) mit bräunlicher Oberseite und weißlicher, bräunlich gestrichelter Unterseite, unterscheidet sich aber durch rotbraune Ränder der bräunlichen Rückenfedern, Kinn und Unterschwanzdecken sind nicht markiert, die Unterseite weist weniger Strichelung auf, auch sind die Flügelspitzen schmaler. Sie hat breitere hellbraune Säume auf der Oberseite und meistens ein breites, weißes Brustband. Der Schwanz ist hellbraun und hat eine helle Endbinde, eine dunkle Subterminalbinde und drei bis vier dünnere dunkle Querbinden von der Spitze her. Die Unterschwanzdecken sind heller. Die Iris ist bräunlich, Wachshaut und Füße sind gelb.

Jungvögel haben eine blassere Iris und zahlreiche dunkle Binden auf dem Schwanz.[3]

Die Art ist monotypisch.[5]

Stimme

Der Ruf wird als lautes, klagendes „kyaaah“, ähnlich dem des Mäusebussards beschrieben.[3]

Lebensweise

Die Nahrung besteht aus überwiegend aus Säugetieren, Vögeln, Schlangen und Insekten.

Die Brutzeit liegt zwischen Ende September bis Anfang November. Das Nest wird in einem Baum 8 bis 20 m über dem Erdboden aus Zweigen errichtet.

Das Gelege besteht aus 2, manchmal 3 Eiern.[3]

Gefährdungssituation

Die Art gilt als gering gefährdet (Near Threatened).[6]

Literatur

  • G. Rudebeck: Buteo buteo trizonatus. In: South African animal life; results of the Lund University expedition in 1950-1951, Bd. 4, S. 416, 1957

Einzelnachweise

  1. Kapbussard, in Avibase – Die Weltvogel-Datenbank. Abgerufen am 22. September 2021.
  2. H. Barthel, Ch. Barthel, E. Bezzel, P. Eckhoff, R. van den Elzen, Ch. Hinkelmann & F. D. Steinheimer: Deutsche Namen der Vögel der Erde Vogelwarte Bd. 58, S. 1–214, 2020
  3. a b c d J. del Hoyo, N. Collar, P. F. D. Boesman, J. S. Marks und C. J. Sharpe: Forest Buzzard (Buteo trizonatus), version 1.0. In: J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie und E. de Juana (Herausgeber): Birds of the World, 2020, Cornell Lab of Ornithology, Ithaca, NY, USA. Buteo trizonatus
  4. J. A. Jobling: A Dictionary of Scientific Bird Names. Oxford University Press. 1991. ISBN 0-19-854634-3.
  5. IOC World Bird List Hoatzin, New World vultures, Secretarybird, raptors
  6. Buteo imitator in der Roten Liste gefährdeter Arten der IUCN 2017. Eingestellt von: BirdLife International, 2017. Abgerufen am 22. September 2021.
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Kapbussard: Brief Summary ( German )

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Der Kapbussard (Buteo trizonatus) ist ein Greifvogel aus der Familie der Habichtartigen (Accipitridae).

Er wurde als konspezifisch mit dem Mäusebussard (Buteo buteo) angesehen, dann bis vor kurzem mit dem Bergbussard (Buteo oreophilus).

Er kommt in Südafrika vor am Westkap und Ostkap nördlich bis Limpopo.

Der Lebensraum umfasst Wald und Waldränder der gemäßigten Zonen bis 1500 m über dem Meeresspiegel.

Der Artzusatz kommt von lateinisch tri- ‚drei-‘ und lateinisch zonatus ‚gebändert‘.

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Forest buzzard

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The forest buzzard (Buteo trizonatus), is a species of bird of prey found in Africa, though some authorities have placed it as a subspecies of another species, the mountain buzzard, Buto oreophilus. This is a resident breeding species in woodlands in southern and eastern South Africa.

Description

The forest buzzard is very similar to the abundant summer migrant steppe buzzard Buteo buteo vulpinus, the head, the back and upperwings are brown, marked out with rufous edges to the feathers the amount of which varies between individuals. The chin is whitish and unmarked, the breast and belly are whitish but marked with a variable amount of brown spots, and the undertail coverts are plain whitish. There is variation and some adults show brown barring along the breast sides and the belly while all but the palest birds show a distinctive white ‘U’ mark in the middle of the otherwise blotched abdomen. The underwings are white, with a reddish-brown tinge on the lesser underwing coverts and a dark comma shaped mark at the tip of primary coverts . The plumage on the thighs are uniformly reddish-brown, and the axillary feathers are white with brown barring. The upper tail is brown, washed with reddish-brown and the tail has some narrow dark brown bands with a broad dark brown subterminal band while the undertail bands can be indistinct.[2] The body length is 41–48 cm (16–19 in) and the wingspan is 102–117 cm (40–46 in).[3]

Distribution and movements

The forest buzzard is endemic to South Africa, Lesotho and Eswatini where it occurs in an arc from the mountains of eastern Limpopo Province south through the Drakensberg of Kwazulu-Natal to the Western Cape.[4]

It as, at least, a partial migrant and seems to be a winter visitor (June–August) in the Drakensberg of Eastern Cape northwards where there are no breeding records. Two birds ringed in the east (Kwazulu-Natal and Mpumalanga) were subsequently recovered in the south of South Africa having moved between 800–1,300 km (500–810 mi).[3]

Habitat

The forest buzzard, as its name implies, inhabits evergreen woodlands, including introduced eucalyptus and pines, whereas the steppe buzzard prefers more open habitats. However, habitat alone is not a good indicator for these species.[4]

Habits

The forest buzzard hunts along the edge of or in the forest, where it is a sit and wait predator which pounces on prey from a perch. It has been recorded as preying on small mammals, birds up to the size of a turaco or a francolin, snakes, lizards, frogs, grasshoppers, wasps, beetles and scorpions.[4]

Its breeding biology is little known but it is thought to be territorial and monogamous. The nest is a large structure of sticks with an interior cup, lined with green leaves and sometimes with beard lichen Usnea spp. It is typically situated in the fork or lower branch of a tree in the forest interior, especially pines or eucalyptus but also indigenous trees such as small-leaved yellowwood (Afrocarpus falcatus). The two eggs are laid in the period from August–November, with most being laid in September–October. The eggs are laid asynchronously so the first laid hatches first and the older sibling is aggressive to its younger chick, preventing it from having food and if food is scarce the younger one will starve. They fledge at about 47 days old and become fully independent roughly four months.[3][4]

Taxonomy

The forest buzzard forms part of a superspecies which includes the common buzzard and the Madagascar buzzard, as well as the mountain buzzard.[5] The decision to treat forest buzzard and mountain buzzard as different species is based on differences in habitat, structure and plumages and the fact that the two taxa are not monophyletic. It is likely that the forest buzzard evolved from the steppe buzzard, which is a common wintering bird within the breeding range of the forest buzzard. The steppe buzzards is a generalist and breeds over a large area of the eastern Palearctic in a variety of habitats and winters widely in eastern and southern Africa, with a few non-breeding birds remaining in southern Africa over the northern summer.[2]

Conservation status

The forest buzzard was formerly considered threatened in South Africa but the increase in exotic plantations and the species adaptation to breed in those plantations has allowed the population to increase.[3] It is therefore treated as Near Threatened by the IUCN[1]

References

  1. ^ a b BirdLife International (2017). "Buteo trizonatus". IUCN Red List of Threatened Species. 2017: e.T22735392A118530114. doi:10.2305/IUCN.UK.2017-3.RLTS.T22735392A118530114.en. Retrieved 20 November 2021.
  2. ^ a b Clark, William S. (2007). "Taxonomic status of the Forest Buzzard Buteo oreophilus trizonatus" (PDF). Ostrich. 78 (1): 98–102. doi:10.2989/ostrich.2007.78.1.16.60.
  3. ^ a b c d Ferguson-Lees, James; Christie, David A. (2001). Raptors of the World. Christopher Helm. pp. 693–695. ISBN 978-0-7136-8026-3.
  4. ^ a b c d "Buteo trizonatus (Forest buzzard)". Biodiversity Explorer. Iziko Museums of South Africa. Retrieved 26 October 2016.
  5. ^ "Mountain Buzzard Buteo oreophilus". The Peregrine Fund. Retrieved 27 October 2016.
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Forest buzzard: Brief Summary

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The forest buzzard (Buteo trizonatus), is a species of bird of prey found in Africa, though some authorities have placed it as a subspecies of another species, the mountain buzzard, Buto oreophilus. This is a resident breeding species in woodlands in southern and eastern South Africa.

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Buteo trizonatus ( Spanish; Castilian )

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El busardo de El Cabo (Buteo trizonatus)[2]​ es una especie de ave accipitriforme de la familia Accipitridae propia de África meridional. Es tratado como subespecie del busardo montañés (Buteo oreophilus) por algunas autoridades taxonómicas.

Descripción

Es un ave rapaz de tamaño mediano, mide entre 41 y 48 cm de largo, tiene una envergadura de 102 a 117 cm y pesa 700 gramos.[3]

Distribución y hábitat

Es endémico de Sudáfrica, anida exclusivamente en el Cabo Occidental y Oriental, aunque a veces se puede ver en las provincias de Mpumalanga, Limpopo y KwaZulu-Natal. Habita en bosques perennifolios, incluidos los eucaliptos y pinos introducidos. Se alimenta de pequeños mamíferos, aves, reptiles, ranas e incluso insectos grandes.

Referencias

  1. BirdLife International (2017). «Buteo trizonatus». Lista Roja de especies amenazadas de la UICN 2018.2 (en inglés). ISSN 2307-8235. Consultado el 9 de diciembre de 2018.
  2. «Busardo de El Cabo Buteo trizonatus Rudebeck, 1957». en Avibase. Consultado el 9 de diciembre de 2018.
  3. del Hoyo, J., Collar, N., Boesman, P., Marks, J.S. & Sharpe, C.J. (2018). «Forest Buzzard (Buteo trizonatus. En del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.), ed. Handbook of the Birds of the World Alive (en inglés). Barcelona: Lynx Edicions. Consultado el 9 de diciembre de 2018.

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Buteo trizonatus: Brief Summary ( Spanish; Castilian )

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El busardo de El Cabo (Buteo trizonatus)​ es una especie de ave accipitriforme de la familia Accipitridae propia de África meridional. Es tratado como subespecie del busardo montañés (Buteo oreophilus) por algunas autoridades taxonómicas.

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Buteo trizonatus ( Basque )

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Buteo trizonatus Buteo generoko animalia da. Hegaztien barruko Accipitridae familian sailkatua dago.

Erreferentziak

  1. (Ingelesez) IOC Master List

Ikus, gainera

(RLQ=window.RLQ||[]).push(function(){mw.log.warn("Gadget "ErrefAurrebista" was not loaded. Please migrate it to use ResourceLoader. See u003Chttps://eu.wikipedia.org/wiki/Berezi:Gadgetaku003E.");});
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Buteo trizonatus: Brief Summary ( Basque )

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Buteo trizonatus Buteo generoko animalia da. Hegaztien barruko Accipitridae familian sailkatua dago.

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Buse forestière ( French )

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Buteo trizonatus

La Buse forestière (Buteo trizonatus) est une espèce d'oiseaux de la famille des Accipitridae. Elle était et est encore souvent considérée comme une sous-espèce de la buse montagnarde (B. oreophilus).

Répartition

Cet oiseau vit en Afrique du Sud.

Annexes

Références taxinomiques

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Buse forestière: Brief Summary ( French )

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Buteo trizonatus

La Buse forestière (Buteo trizonatus) est une espèce d'oiseaux de la famille des Accipitridae. Elle était et est encore souvent considérée comme une sous-espèce de la buse montagnarde (B. oreophilus).

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Buteo trizonatus ( Italian )

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La poiana di foresta (Buteo trizonatus Rudebeck, 1957) è un uccello rapace della famiglia degli Accipitridi, endemico del Sudafrica.[1][2]

Descrizione

È un rapace di media taglia, lungo 41-48 cm e con un'apertura alare di 102-117 cm.[3]

Biologia

Alimentazione

Le sue prede sono piccoli mammiferi, uccelli, rettili, rane, e anche grossi insetti.[4]

Riproduzione

Il nido è una ampia piattaforma di ramoscelli intrecciati rivestita di foglie e licheni, tipicamente collocata sulla biforcazione di due grossi rami, con predilezione per gli alberi di Pinus spp. o di Afrocarpus falcatus. La covata comprende in genere due uova, deposte nel periodo tra settembre ed inizio novembre, con un breve intervallo di tempo tra una ovodeposizione e l'altra, che si schiudono tra ottobre ed inizio dicembre.[3][4]

Distribuzione e habitat

Buteo trizonatus è endemico del Sudafrica; nidifica esclusivamente nella provincia del Capo Occidentale e Orientale, anche se può talora essere avvistato anche nelle province di Mpumalanga, Limpopo e KwaZulu-Natal.[1]

Conservazione

La IUCN Red List classifica Buteo trizonatus come specie prossima alla minaccia di estinzione (Near Threatened).[1]

Note

  1. ^ a b c d (EN) BirdLife International 2016, Buteo trizonatus, su IUCN Red List of Threatened Species, Versione 2020.2, IUCN, 2020. URL consultato il 23 settembre 2018.
  2. ^ (EN) Gill F. and Donsker D. (eds), Family Accipitridae, in IOC World Bird Names (ver 9.2), International Ornithologists’ Union, 2019. URL consultato il 23 settembre 2018.
  3. ^ a b (EN) del Hoyo, J., Collar, N., Boesman, P., Marks, J.S. & Sharpe, C.J., Forest Buzzard (Buteo trizonatus), su Handbook of the Birds of the World Alive, 2018. URL consultato il 23 settembre 2018.
  4. ^ a b (EN) Buteo trizonatus (Forest buzzard), su biodiversityexplorer.org, Iziko Museums of South Africa. URL consultato il 27 settembre 2018.

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Buteo trizonatus: Brief Summary ( Italian )

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La poiana di foresta (Buteo trizonatus Rudebeck, 1957) è un uccello rapace della famiglia degli Accipitridi, endemico del Sudafrica.

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Kaapse bergbuizerd ( Dutch; Flemish )

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Vogels

De Kaapse bergbuizerd (Buteo trizonatus) is een roofvogel uit de familie van de Accipitridae.

Verspreiding en leefgebied

Deze soort komt voor in de bergwouden van Transvaal en Zuid-Afrika.

Bronnen, noten en/of referenties
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Kaapse bergbuizerd: Brief Summary ( Dutch; Flemish )

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De Kaapse bergbuizerd (Buteo trizonatus) is een roofvogel uit de familie van de Accipitridae.

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Skogsvråk ( Swedish )

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Skogsvråk[2] (Buteo trizonatus) är en fågel i familjen hökartade rovfåglar inom ordningen hökfåglar.[3]

Utbredning och systematik

Skogsvråk återfinns i södra och östra Sydafrika.[1] Den betraktas ibland som underart till bergvråk (B. oreophilus).[4]

Status

IUCN kategoriserar arten som nära hotad.[1]

Noter

  1. ^ [a b c] Birdlife International 2017 Buteo trizonatus . Från: IUCN 2017. IUCN Red List of Threatened Species. Version 2017.3. Läst 2018-01-26.
  2. ^ Sveriges ornitologiska förening (2018) Officiella listan över svenska namn på världens fågelarter, läst 2018-02-14
  3. ^ Gill, F & D Donsker (Eds). 2015. IOC World Bird List (v 5.1). doi : 10.14344/IOC.ML.5.1.
  4. ^ Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood (2014) The eBird/Clements checklist of birds of the world: Version 6.9 http://www.birds.cornell.edu/clementschecklist/download, läst 2015-01-01

Externa länkar

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Skogsvråk: Brief Summary ( Swedish )

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Skogsvråk (Buteo trizonatus) är en fågel i familjen hökartade rovfåglar inom ordningen hökfåglar.

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