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'''Burung hantu bertanduk''' Amerika merupakan jenis burung dari [[genus]] '''''Bubo'''''. Genus ini memiliki sekitar satu atau dua lusin [[species]] dari keluarga [[burung hantu]], dan dapat ditemukan di berbagai tempat di dunia. Pada awalnya hanya burung hantu yang memiliki jumbai pada telinganya yang dimasukkan ke genus ini. |
'''Burung hantu bertanduk''' Amerika merupakan jenis burung dari [[genus]] '''''Bubo'''''. Genus ini memiliki sekitar satu atau dua lusin [[species]] dari keluarga [[burung hantu]], dan dapat ditemukan di berbagai tempat di dunia. Pada awalnya hanya burung hantu yang memiliki jumbai pada telinganya yang dimasukkan ke genus ini. |
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[[Berkas:White horned owl portrait.jpg| |
[[Berkas:White horned owl portrait.jpg|jmpl|Seekor burung hantu bertanduk putih sedang menyantap seekor tikus.]] |
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==Systematics== |
==Systematics== |
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[[mtDNA]] [[cytochrome b|cytochrome ''b'']] [[DNA sequence|sequence]] data supports the decision to consider the [[Snowy Owl]] an eagle-owl [[adaptation|adapted]] to [[Arctic]] conditions and moving it into ''Bubo'', rendering the [[monotypic]] genus ''Nyctea'' invalid.<ref name = olsenetal2002>Olsen ''et al.'' (2002)</ref> |
[[mtDNA]] [[cytochrome b|cytochrome ''b'']] [[DNA sequence|sequence]] data supports the decision to consider the [[Snowy Owl]] an eagle-owl [[adaptation|adapted]] to [[Arctic]] conditions and moving it into ''Bubo'', rendering the [[monotypic]] genus ''Nyctea'' invalid.<ref name = olsenetal2002>Olsen ''et al.'' (2002)</ref> |
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The four fish-owls previously in the genus ''[[Ketupa]]'' were provisionally moved into ''Bubo'' as well.<ref>König ''et al.'' (1999)</ref> However, the mtDNA cytochrome ''b'' data suggests that in this case, to make ''Bubo'' [[monophyletic]] the ''[[Scotopelia]]'' fishing owls would also need to be included there. On the other hand, the genus then becomes quite large and ill-defined, and ''Bubo'' in the expanded sense seems to consist of two distinct [[clade]]s. Thus, the fish and fishing owls can alternatively be united in ''Ketupa'' if some aberrant eagle-owls |
The four fish-owls previously in the genus ''[[Ketupa]]'' were provisionally moved into ''Bubo'' as well.<ref>König ''et al.'' (1999)</ref> However, the mtDNA cytochrome ''b'' data suggests that in this case, to make ''Bubo'' [[monophyletic]] the ''[[Scotopelia]]'' fishing owls would also need to be included there. On the other hand, the genus then becomes quite large and ill-defined, and ''Bubo'' in the expanded sense seems to consist of two distinct [[clade]]s. Thus, the fish and fishing owls can alternatively be united in ''Ketupa'' if some aberrant eagle-owls – at least the [[Barred Eagle-Owl|Barred]], [[Spot-bellied Eagle-Owl|Spot-bellied]] and [[Usambara Eagle-Owl]]s, perhaps also [[Fraser's Eagle-Owl]] and maybe others – are moved into that genus too. As some enigmatic eagle-owls remain essentially unstudied and others – e.g. [[Verreaux's Eagle-Owl]] – are of unresolved relationships, more research is needed.<ref name = olsenetal2002 /> |
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===Living species=== |
===Living species=== |
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Several presumed ''Bubo'' fossils have turned out to be from different birds. The Late Eocene/Early Oligocene eared owls ''"Bubo" incertus'' and ''"Bubo" arvernensis'' are now placed in the fossil [[barn-owl]] genera ''[[Nocturnavis]]'' and ''[[Necrobyas]]'', respectively. ''"Bubo" leptosteus'' is now recognized as primitive owl in the genus ''[[Minerva (owl)|Minerva]]'' (formerly ''Protostrix''). ''"Bubo" poirreiri'' from the Late Oligocene or Early Miocene of Saint-Gérard-le-Puy in France, is now placed in ''[[Mioglaux]]''. |
Several presumed ''Bubo'' fossils have turned out to be from different birds. The Late Eocene/Early Oligocene eared owls ''"Bubo" incertus'' and ''"Bubo" arvernensis'' are now placed in the fossil [[barn-owl]] genera ''[[Nocturnavis]]'' and ''[[Necrobyas]]'', respectively. ''"Bubo" leptosteus'' is now recognized as primitive owl in the genus ''[[Minerva (owl)|Minerva]]'' (formerly ''Protostrix''). ''"Bubo" poirreiri'' from the Late Oligocene or Early Miocene of Saint-Gérard-le-Puy in France, is now placed in ''[[Mioglaux]]''. |
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On the other hand, the supposed fossil [[heron]] ''"Ardea" lignitum'' from the [[Late Pliocene]] of [[Plaue]]-Rippersroda (Germany) was apparently an owl and close to ''Bubo'' or more probably actually belongs here. Given its age |
On the other hand, the supposed fossil [[heron]] ''"Ardea" lignitum'' from the [[Late Pliocene]] of [[Plaue]]-Rippersroda (Germany) was apparently an owl and close to ''Bubo'' or more probably actually belongs here. Given its age – about 2 million years ago or so – it is usually included in the Eurasian Eagle-Owl today.<ref>Olson (1985): p.167, Mlíkovský (2002)</ref> |
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== Catatan kaki == |
== Catatan kaki == |