Cinereous owl
Cinereous owl | |
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Aves |
Order: | Strigiformes |
Family: | Strigidae |
Genus: | Strix |
Species: | S. sartorii
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Binomial name | |
Strix sartorii (Ridgway, 1874)
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The cinereous owl (Strix sartorii) or Mexican barred owl, is an owl that is
Taxonomy and systematics
The cinereous owl has variously been considered a subspecies of
Description
Very few specimens of cinereous owl have been measured. The limited number of measurements indicate lengths between 430 and 505 cm (14.11 and 16.57 ft), male weights between 469 and 812 g (1.034 and 1.790 lb), and female weights between 610 and 1,051 g (1.345 and 2.317 lb) This large round-headed owl's upperparts are brownish gray with whitish to buff bars. It has grayish white to brownish gray facial disks surrounded by darker brown and buffy bars. Its underparts are pale buff to white with dark streaks.[3]
Distribution
The cinerous owl appears to occur in three disjunct areas. The largest is along the
Behavior
Feeding
Little is known about the cinereous owl's foraging strategy or diet, but both are assumed to be similar to that of the barred owl. That species is semi-nocturnal to nocturnal and is an opportunistic predator on small mammals and
Breeding
The only information about the cinereous owl's breeding phenology comes from the observation of a fledgling of unknown age in Nayarit in early June. It had well-developed flight feathers but downy body plumage.[3]
Vocalization
The first recordings of the cinereous owl's vocalizations were made in 2015 and very few since then. It has a variety of hoots and other calls.[3]
Status
The
References
- ^ "Appendices | CITES". cites.org. Retrieved 2022-01-14.
- ^ a b Gill, F.; Donsker, D.; Rasmussen, P. (July 2021). "IOC World Bird List (v 11.2)". Retrieved July 14, 2021.
- ^ a b c d e f g Spencer, A. J. (2021). Cinereous Owl (Strix sartorii), version 1.0. In Birds of the World (A. J. Spencer, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.barowl13.01 retrieved September 7, 2021
- ^ Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, J. A. Gerbracht, D. Lepage, B. L. Sullivan, and C. L. Wood. 2021. The eBird/Clements checklist of Birds of the World: v2021. Downloaded from https://www.birds.cornell.edu/clementschecklist/download/ Retrieved August 25, 2021
- ^ HBW and BirdLife International (2020) Handbook of the Birds of the World and BirdLife International digital checklist of the birds of the world Version 5. Available at: http://datazone.birdlife.org/userfiles/file/Species/Taxonomy/HBW-BirdLife_Checklist_v5_Dec20.zip [.xls zipped 1 MB] retrieved May 27, 2021
Further reading
- König, Weick and Becking. 1999. "Owls: A Guide to the Owls of the World". Yale University Press