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Peruvian Screech-Owl - BirdForum Opus

Grey phase of the Tumbes form
Photo by mmdnje
Location: Agua Blanca, Machalilla Park, Ecuador

Alternative name: West Peruvian Screech-Owl; includes Tumbes Screech-Owl

Megascops roboratus

Otus roboratus


Grey and red morphs exist of both subspecies.


The pacificus subspecies is smaller (18-19 cm vs 20-22 for nominate subspecies) and shorter-tailed.


Southern Ecuador and north-western Peru.


This and almost all Screech-Owls in the Americas have previously been considered to belong in the same genus (Otus) as the European and Asian Scops-Owls, but a reassignment to Megascops has been accepted by among other authorities, the American Ornithologists' Union.

This species is divided into two subspecies, pacificus on the western side of the Andes, and roboratus between western and central Andes. These two subspecies have sometimes been considered two separate species: Tumbes Screech-Owl (Megascops pacificus) and West Peruvian Screech-Owl (Megascops roboratus).


Semi-open landscapes with hollow old trees, mostly in dry woodland.


The diet mainly to be insects. It may also eat reptiles, small mammals such as bats and mice and other small birds.

Breeding probably in hole in tree.


  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, B.L. Sullivan, C. L. Wood, and D. Roberson. 2013. The eBird/Clements checklist of birds of the world: Version 6.8., with updates to August 2013. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. König, C. and F. Weick 2008. Owls of the World, second edition. Christopher Helm, London. ISBN 978-0-7136-6548-2

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