Known prey organisms
This list may not be complete but is based on published studies.
Molecular Biology and Genetics
Statistics of barcoding coverage
|Specimen Records:||47||Public Records:||34|
|Specimens with Sequences:||41||Public Species:||4|
|Specimens with Barcodes:||41||Public BINs:||4|
|Species With Barcodes:||5|
Locations of barcode samples
The American (North and South America) horned owls and the Old World eagle-owls make up the genus Bubo, at least as traditionally described. This genus, depending on definition, contains about one or two dozen species of typical owls (family Strigidae) and is found in many parts of the world. Some of the largest living Strigiformes are in Bubo. Traditionally, only owls with ear-tufts were included here, but that is no longer the case.
The four fish-owls previously in the genus Ketupa were provisionally moved into Bubo as well. 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 clades. Thus, the fish and fishing owls can alternatively be united in Ketupa if some aberrant eagle-owls –at least the Barred, Spot-bellied and Usambara Eagle-Owls, 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.
The following living owls are usually included in Bubo:
- Snowy Owl, Bubo scandiacus
- Great Horned Owl, Bubo virginianus
- South American Great Horned Owl, Bubo virginianus nacurutu
- Lesser Horned Owl, Bubo magellanicus
- Eurasian Eagle-Owl, Bubo bubo
- Indian Eagle-Owl, Bubo bengalensis
- Pharaoh Eagle-Owl, Bubo ascalaphus
- Cape Eagle-Owl, Bubo capensis
- Mackinder's Eagle-Owl, Bubo (capensis) mackinderi
- Spotted Eagle-Owl, Bubo africanus
- Greyish Eagle-Owl, Bubo cinerascens
- Fraser's Eagle-Owl, Bubo poensis
- Usambara Eagle-Owl, Bubo vosseleri
- Spot-bellied Eagle-Owl, Bubo nipalensis
- Barred Eagle-Owl, Bubo sumatranus
- Shelley's Eagle-Owl, Bubo shelleyi
- Verreaux's Eagle-Owl, Bubo lacteus
- Dusky Eagle-Owl, Bubo coromandus
- Akun Eagle-Owl, Bubo leucostictus
- Philippine Eagle-Owl, Bubo philippensis
The fish owls and fishing owls are:
- Blakiston's Fish Owl, Ketupa blakistoni or Bubo blakistoni
- Brown Fish Owl, Ketupa zeylonensis or Bubo zeylonensis
- Tawny Fish Owl, Ketupa flavipes or Bubo flavipes
- Buffy Fish Owl, Ketupa ketupu or Bubo ketupu
- Pel's Fishing Owl, Scotopelia peli or Bubo peli
- Rufous Fishing Owl, Scotopelia ussheri or Bubo ussheri
- Vermiculated Fishing Owl, Scotopelia bouvieri or Bubo bouvieri
Named and distinct Bubo species are:
- Bubo florianae (Late Miocene[verification needed] of Csákvár, Hungary, tentatively placed here)
- Bubo leakeyae (Early Pleistocene of Tanzania)
- Bubo binagadensis (Late Pleistocene of Binagady, Azerbaijan)
- Cuban Horned Owl, Bubo osvaldoi (Pleistocene of Cuba)
Some notable undescribed fossils of prehistoric horned owls, usually quite fragmentary remains, have also been recorded:
- Bubo sp. (Late Pliocene of Senèze, France)
- Bubo sp. (Late Pliocene of Rębielice Królewskie, Poland; tentatively placed here)
- Bubo sp. (Late Pleistocene of San Josecito Cavern, Mexico)
Specimen UMMP V31030, a Late Pliocene coracoid from the Rexroad Formation of Kansas (USA), cannot be conclusively assigned to either the present genus or Strix. This fossil is from a taxon similar in size to the Great Horned Owl (B. virginianus) or the Great Grey Owl (S. nebulosa).
The Sinclair Owl (Bubo sinclairi) from Late Pleistocene California may have been a paleosubspecies of the Great Horned Owl, while the roughly contemporary Bubo insularis of the central and eastern Mediterranean has been considered a junior synonym of a Brown Fish-owl paleosubspecies. Additional paleosubspecies are discussed on the appropriate species page.
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 (formerly Protostrix). "Bubo" poirreiri from the Late Oligocene or Early Miocene of Saint-Gérard-le-Puy in France, is now placed in Mioglaux.
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.
- Melville, RV & JDD Smith, ed. (1987). Official Lists and Indexes of Names and Works in Zoology. ICZN. p. 58.
- Gregory, SSMS (2010). "The two 'editions' of Dumeril's Zoologie analytique, and the potential confusion caused by Froriep's translation Analytische Zoologie.". Zoological Bibliography 1 (1): 6–8.
- Possibly a junior synonym of Ketupa, if that is a valid genus: Pavia (1999), Mlíkovský (2002, 2003).
- Olsen et al. (2002)
- König et al. (1999)
- Arredondo, O; Olson, SL. "A New Species of Owl of the Genus Bubo from the Pleistocene of Cuba (Aves: Strigiformes)". Proc. Biol. Soc. Wash. 107 (3): 436–44. Retrieved December 2012.
- Lambrecht (1933): p.616
- Mlíkovský (2002)
- A single bone of a large horned owl distinct from B. virginianus: Steadman et al. (1994)
- Feduccia (1970)
- Howard (1947)
- Mlíkovský (2002, 2003)
- Olson (1985): p.167, Mlíkovský (2002)
- Feduccia, J. Alan; Ford, Norman L. (1970). "Some birds of prey from the Upper Pliocene of Kansas". Auk 87 (4): 795–797. doi:10.2307/4083714.
- Howard, Hildegarde (1947). "A preliminary survey of trends in avian evolution from Pleistocene to recent time". Condor 49 (1): 10–13. doi:10.2307/1364422.
- König, Claus; Weick, Friedhelm & Becking, Jan-Hendrik (1999): Owls: A guide to the owls of the world. Yale University Press, New Haven. ISBN 0-300-07920-6
- Lambrecht, Kálmán (1933): Handbuch der Palaeornithologie [Handbook of Paleornithology]. Gebrüder Bornträger, Berlin. [in German]
- Mlíkovský, Jiří (2002): Cenozoic Birds of the World, Part 1: Europe. Ninox Press, Prague.
- Mlíkovský, Jiří (2003). "Brown Fish Owl (Bubo zeylonensis) in Europe: past distribution and taxonomic status". Buteo 13: 61–65.
- Olsen, Jery; Wink, Michael; Sauer-Gürth, Heidi & Trost, Susan (2002). "A new Ninox owl from Sumba, Indonesia". Emu 102 (3): 223–231. doi:10.1071/MU02006.
- Olson, Storrs L. (1985): The fossil record of birds. In: Farner, D.S.; King, J.R. & Parkes, Kenneth C. (eds.): Avian Biology 8: 79–238. Academic Press, New York.
- Pavia, Marco (1999). "Un cranio di Bubo insularis Mourer-Chauviré & Weesie, 1986 (Aves, Strigidae) nelle brecce ossifere del Pleistocene di Capo Figari (Sardegna, Italia)" [A cranium of B. insularis from the Pleistocene ossiferous breccia of Cape Figari (Sardinia, Italy)]. Atti della Accademia delle Scienze di Torino, Classe di Scienze fisiche, matematiche e naturali (in Italian with English abstract) 133: 1–10.
- Steadman, David William; Arroyo-Cabrales, Joaquin; Johnson, Eileen & Guzman, A. Fabiola (1994). "New Information on the Late Pleistocene Birds from San Josecito Cave, Nuevo León, Mexico". Condor 96 (3): 577–589. doi:10.2307/1369460.
It contains the following species:
- Blakiston's Fish Owl, (Bubo blakistoni)
- Brown Fish Owl, (Bubo zeylonensis)
- Tawny Fish Owl, (Bubo flavipes)
- Buffy Fish Owl (Bubo ketupu)
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