| Sangihe scops owl | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Strigiformes |
| Family: | Strigidae |
| Genus: | Otus |
| Species: | O. collari
|
| Binomial name | |
| Otus collari Lambert & Rasmussen, 1998
| |
The Sangihe scops owl (Otus collari) is an owl species endemic to the Sangihe Island of Indonesia.[3]
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Transcription
Size
The Sangihe scops owl is relatively small. This bird has long narrow wings, a small beak and tail. The owl has weak toes and claws. The length of the owl's ear tufts is a moderate length. Their wing length is around 158–166 mm, and their average weight is 76 grams. The overall average length measurement of this bird is 7.5–7.8 inches tall.[4]
Description
The scopes owls have a brown complexion to it. However, its facial disk has a pinch of white above the eyes. They have sporadic black streaks and patches as each bird is unique and excellent for camouflage in its forest habitat. The upper parts are brown with dark shaft streaks. The bird's eyes are yellow with red pupils. It has tan feathers in its midsection. Along with that, the Sangihe scops owl's call sounds similar to a frail whistle. Their call is high pitched and can last from 7–8 seconds long.[4]
History
The Sangihe scops owl is most likely part of a species group centered on O. Manadenis. Their original specimens were collected in 1866 and 1867. These owls were thought to be part of the O. Magicus for a little bit. However, in 1996, examination of photographs and vocalization revealed that their species had differences from both O. Mandenis and O. Magicus. These birds are very closely related to O. Mandenis because of their strong similarities but are considered to be a separate species. The Sangihe scops owl is one of the 17 species of scops owls that can be found in Indonesia and is a member of the Strigidae family. The nocturnal Sangihe scops owl is distinguished by its unique sounds, which resemble high pitched whistles. The subspecies of the Sangihe Scops owl is monotypic.[4]
Diet
Their diet consists of eating large insects, earthworms, small reptiles, mammals and birds.[5]
Threats and Population
These birds do not have any danger that can threaten their population dramatically, but they still have minor threats. These threats consist of destruction of primary forest taking away their habitats. Along with that, these birds also have threats from larger species hunting the Sangihe Scops Owls. They are not globally threatened, and observations show that species readily tolerate human-altered habitats. However, there will always be environmental dangers such as deforestation and natural disasters. Their population ranges somewhere in between 10,000-25000 and has been confirmed to be sustained. These birds appear widespread and relatively common within the single-island range of the Sangihe Islands.[5]
Habitat
These birds are exclusive to the islands of Sangihe, mainly in North Sangihe in Southeast Asia next to Indonesia. They favor forests and mixed plantations. It is common and widespread on the island. They commonly reside in agricultural areas with trees up to 1150 feet and bushes.[6]
References
- ^ BirdLife International (2016). "Otus collari". IUCN Red List of Threatened Species. 2016: e.T22732046A95041318. doi:10.2305/IUCN.UK.2016-3.RLTS.T22732046A95041318.en. Retrieved 12 November 2021.
- ^ "Appendices | CITES". cites.org. Retrieved 2022-01-14.
- ^ Lambert, Frank R., & Rasmussen, Pamela. (1998). Bulletin of the British Ornithologists' Club (BBOC) 118: p 207–217.
- ^ a b c Holt, Denver W.; Berkley, Regan; Deppe, Caroline; Enríquez, Paula L.; Petersen, Julie L.; Rangel Salazar, José Luis; Segars, Kelley P.; Wood, Kristin L.; Marks, Jeffrey S. (2020). "Sangihe Scops-Owl (Otus collari), version 1.0". Birds of the World. doi:10.2173/bow.sansco1.01species_shared.bow.project_name. ISSN 2771-3105.
- ^ a b Riley, Jon (19 October 2023). "Population sizes and the status of endemic and restricted-range bird species on Sangihe Island, Indonesia" (PDF).
- ^ "Sangihe Scops Owl (Otus collari) :: xeno-canto". xeno-canto.org. Retrieved 2023-10-19.
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This page was last edited on 19 January 2024, at 20:32