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The bare-shanked screech owl (Megascops clarkii) is a species of owl in the family Strigidae. It is a large owl that feeds at night in forests and lives in a family size group, even during breeding season. The owl's range is only in Costa Rica, Panama, and far northwestern Colombia. The owl preys on large insects, shrews, and small rodents.
The eastern screech owl (Megascops asio) or eastern screech-owl, is a small owl that is relatively common in Eastern North America, from Mexico to Canada. [ 1 ] [ 3 ] This species resides in most types of woodland habitats across its range, and is relatively adaptable to urban and developed areas compared to other owls.
Screech owls are typical owls belonging to the genus Megascops with 22 living species.For most of the 20th century, this genus was merged with the Old World scops owls in Otus, but nowadays it is again considered separately based on a range of behavioral, biogeographical, morphological, and DNA sequence data.
Eastern screech-owl, Megascops asio [1] Western screech-owl, Megascops kennicottii [1] Whiskered screech-owl, Megascops trichopsis [1] Flammulated owl, Psiloscops flammeolus [1] Elf owl, Micrathene whitneyi [1] Great gray owl, Strix nebulosa [1] Northern saw-whet owl, Aegolius acadicus [1] Boreal owl, Aegolius funereus [1] Burrowing owl, Athene ...
The primary call is an accelerating series of short whistles at an increasing tempo or a short then long trill falling slightly at end. Other calls: barking and chuckling, similar to the eastern screech owl. [6] They also make a high pitched screech. The two primary songs for the Western Screech Owl are the bounce and double trill.
The cloud-forest screech owl is 20 to 23 cm (7.9 to 9.1 in) long; a male and a female weighed 105 g (3.7 oz) and 115 g (4.1 oz) respectively. It is among the smallest screech owls. It has a rufous facial disc with black edges on the sides, white brows over dark brown eyes, and short "ear" tufts.
The bearded screech owl is the smallest of its genus in North America. It is 16 to 20 cm (6.3 to 7.9 in) long; males weigh about 63 g (2.2 oz) and females 72 g (2.5 oz). In addition to being heavier, females have somewhat longer wings and tails, and in both sexes the wings extend past the tail.
Whiskered screech owl: Megascops trichopsis (Wagler, 1832) 207 Bare-shanked screech owl: Megascops clarkii (Kelso, L & Kelso, EH, 1935) 208 White-throated screech owl: Megascops albogularis (Cassin, 1849) 209 Tropical screech owl: Megascops choliba (Vieillot, 1817) 210 Bearded screech owl: Megascops barbarus (Sclater, PL & Salvin, 1868) 211 ...