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Black-and-white Owl

From Opus

Photo by Stanley JonesCabanas San Isidro near Cosanga, Napo Province, San Isidro Reserve, Ecuador, January 2016
Photo by Stanley Jones
Cabanas San Isidro near Cosanga, Napo Province, San Isidro Reserve, Ecuador, January 2016
Ciccaba nigrolineata

Contents

[edit] Identification

33-45cm (13-17¾ in); females larger
White and black stripes on neck, stomach, and chest, white stripes on mostly black back and tail with a prominent, mostly white collar around the rear neck, black face with white speckled brows over dark-brown eyes.
The feet and bill are an orange-yellow.

[edit] Distribution

Mexico through Central America to Ecuador, Colombia, Venezuela, and French Guiana.

[edit] Taxonomy

This is a monotypic species[1] which, in the past, was considered conspecific with Black-banded Owl.

[edit] Ciccaba vs. Strix

Some authorities (Sibley & Monroe, 1996; IOC 5.3, 2015) retain Mottled Owl (virgata), Black-and-white Owl (nigrolineata), Black-banded Owl (huhula), and Rufous-banded Owl (albitarsis) in the genus Strix. König et al. state that the general morphology and phylogenetic evidence of these four species does not indicate separation from the rest of Strix, and Restall goes on to explain that they were originally separated into the genus Ciccaba based on anatomy of the external ear. Clements (2015) and Howard & Moore (2014) do recognize all four species as being in Ciccaba and the Opus follows.

[edit] Habitat

Lowlands to mid elevation, mostly wet forests including mangrove but also borders and urban parks. Observed at heights up to ca. 2,000 m (6,560 ft) elevation.

[edit] Behaviour

Nocturnal; spends the day high in dense vegetation.

[edit] Breeding

They nest mostly in natural holes in stumps and trees, but may also use old nests of squirrels, hawks or crows or place eggs within epiphytes. The 1 or 2 eggs are white.

[edit] Diet

The diet includes primarily insects and small mammals including bats. Several locations have lamps that attract insect and are regularly visited by this species of owl, known examples range from Costa Rica to Ecuador (at least).

[edit] References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2015. The eBird/Clements checklist of birds of the world: v2015, with updates to August 2015. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. BF Member observations
  3. König, C. and F. Weick 2008. Owls of the World, second edition. Christopher Helm, London. ISBN 978-0-7136-6548-2
  4. Restall et al. 2006. Birds of Northern South America. Yale University Press. ISBN 9780300124156
  5. BF Member observations

[edit] External Links

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