New Ireland boobook
New Ireland boobook | |
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Scientific classification ![]() | |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Aves |
Order: | Strigiformes |
Family: | Strigidae |
Genus: | Ninox |
Species: | N. variegata
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Binomial name | |
Ninox variegata | |
Synonyms | |
Noctua variegata (Quoy and Gaimard, 1830)[3] |
The New Ireland boobook (Ninox variegata) also known as the Bismarck hawk-owl or Bismarck boobook, is a small to medium-sized owl measuring 25 to 30 cm (9.8 to 11.8 in) in length.[4] It is a dark rufous-brown above, with barred scapular feathers and variable amounts of spotting or barring on the wings and tail. Its underparts are whitish, with an unmarked pale throat, a dark barred upper breast and barring on the remainder of the underparts. Its face is dark brown, its eyes are brown or yellow, and its bill and legs are yellow.[5] It is short-tailed and has heavy tarsi (the part of the leg above what is commonly referred to as the foot).[6]
Endemic to the Bismarck archipelago, it occurs on the islands of New Britain, New Ireland and New Hanover,[3] where it lives in forested lowlands, hills and mountains, up to an altitude of 1,000 m (3,300 ft).[4]
It was first described as Noctua variegata by French naturalists Jean René Constant Quoy and Joseph Paul Gaimard in 1830.[3]
Although its population size has not been quantified, it is widespread and fairly common in forest and forest edges within its range, and its numbers are thought to be stable.[7] Deforestation is thought to be a likely threat to the species.[8]
References
- ^ BirdLife International (2018). "Ninox variegata". IUCN Red List of Threatened Species. 2018: e.T22689475A130164063. doi:10.2305/IUCN.UK.2018-2.RLTS.T22689475A130164063.en. Retrieved 12 November 2021.
- ^ "Appendices | CITES". cites.org. Retrieved 2022-01-14.
- ^ a b c Sibley, Charles Gald; Monroe, Burt Leavelle (1990). Distribution and taxonomy of birds of the world. New Haven, CT: Yale University. p. 182. ISBN 0-300-04969-2.
- ^ a b c Weick, Friedhelm (2002). Owls (Strigiformes): Annotated and Illustrated Checklist. Springer. p. 228. ISBN 3-540-35234-1.
- ^ König, Claus; Weick, Friedhelm; Becking, J. H (1999). Owls: A Guide to the Owls of the World. Ithaca, NY: Pica Press. p. 184. ISBN 1408108844.
- ^ Rasmussen, Pamela C (December 1999). "A New Species of Hawk-owl Ninox from North Sulawesi, Indonesia" (PDF). The Wilson Bulletin. 111 (4): 457–464.
- ^ "Bismarck Hawk-owl Ninox variegata". BirdLife International. Retrieved 22 April 2011.
- ^ Newton, Ian, ed. (2002). Ecology and conservation of owls. Csiro Publishing. p. 357. ISBN 0-643-06794-9.
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- Articles with short description
- IUCN Red List least concern species
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- Ninox
- Birds of New Ireland Province
- Birds described in 1830
- Taxa named by Jean René Constant Quoy
- Taxa named by Joseph Paul Gaimard