|Megascops||marshalli||SA||c, s Peru|
The genus Megascops comprises 22 living species are known at present, but new ones are frequently recognized and unknown ones are still being discovered on a regular basis, especially in the Andes. For most of the 20th century, this genus was merged with the Old World scops-owls in Otus, but nowadays it is again considered separate based on a range of behavioral, biogeographical, morphological and DNA sequence data. Screech-owls are restricted to the Americas. Some species formerly placed with them are nowadays considered more distinct.
As usual for owls, female screech-owls are usually larger and fatter than the males of their species, with owls of both sexes being compact in size, shape, and height. The Eastern Screech-owl Megascops asio is one of the smallest species of owls in North America. All of the birds in this genus are small and agile. Screech-owls are generally colored in various brownish hues with usually a whitish, patterned underside, which helps to camouflage them against the bark of trees. Some are polymorphic, occurring in a grayish- and a reddish-brown morph.
Listen to the sound of Cloud-forest Screech Owl
[audio:http://www.planetofbirds.com/MASTER/STRIGIFORMES/Strigidae/sounds/Cloud-forest Screech Owl.mp3]
Copyright remark: Most sounds derived from xeno-canto
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Megascops marshalli has a very small range in Peru, where it is known from the north Cordillera Vilcabamba, Cuzco, where it is common, and has also been recorded in the Cordillera Yanachaga, Pasco. Unsurveyed and undeveloped ridges in the Gran Pajonal area (between the known sites) may hold further populations