Megascops roboratus
The West Peruvian Screech Owl (Megascops roboratus) is a compact, cryptically plumaged raptor, typically measuring 20-22 cm (8-9 inches) in length and weighing 100-150 grams (3.5-5.3 oz). Its plumage is predominantly grayish-brown, intricately streaked and vermiculated with darker markings, providing excellent camouflage against tree bark. Distinctive field marks include its bright yellow eyes, prominent ear tufts that can be raised or lowered, and a well-defined facial disc bordered by a dar...
This species primarily inhabits arid and semi-arid deciduous forests, dry woodlands, and scrublands. It is found from sea level up to approximately 2,500 meters (8,200 feet) in elevation.
Its diet primarily consists of large insects such as beetles, moths, and crickets, as well as scorpions and other arthropods. It is an opportunistic predator, also consuming small vertebrates like lizards, small snakes, rodents, and small birds.
The West Peruvian Screech Owl is strictly nocturnal, spending its days roosting quietly in dense foliage or tree cavities, often old woodpecker holes, where its cryptic plumage offers superb camouflage. Its foraging strategy is typical of many owls, involving perch-and-pounce hunting, scanning fo...
The West Peruvian Screech Owl is endemic to the arid and semi-arid regions of western South America, specifically southwestern Ecuador and northwestern Peru. Its distribution in Ecuador includes the provinces of El Oro, Loja, and Zamora-Chinchipe. In Peru, its range extends through the regions of...
Least Concern
- The West Peruvian Screech Owl is a master of camouflage, with plumage so intricately patterned that it can virtually disappear against the bark of trees during daylight hours. - Despite its common name, its primary vocalization is a distinctive, accelerating trill rather than a harsh 'screech. ...