Guide to North American Birds
Conservation status Widespread and common, but has declined in some areas because of habitat loss.
Family Owls
Habitat Wooded canyons, desert mesquites, farm groves, shade trees. Found in a wide variety of wooded or semi-open habitats, including forest edge, wooded suburbs, canyons, mesquite groves and saguaros in the desert, streamside groves in arid country. Mostly in deciduous or mixed woods. Avoids extreme desert situations and higher elevations in mountains.
Inconspicuous but locally very common is this little owl. In the varied terrain of the west, its haunts range from coastal forests in southeastern Alaska to cactus groves in the Arizona desert, and it is often found in suburban areas. Until the 1980s, Western and Eastern screech-owls were considered to belong to the same species because they look so similar; however, their voices differ, and they apparently recognize their own kind by sound.

Photo Gallery

Feeding Behavior

Forages at dusk and at night. Hunts mostly by watching from a perch and then swooping down to take prey from the ground or from foliage. Also catches flying insects in the air. Can locate prey by sound as well as by sight.


Eggs

2-5, sometimes 6. White. Incubation is mostly or entirely by female, averages about 26 days. Male brings food to female during incubation. Young: Both parents bring food for young. If intruders (including humans) come too close to nest, adults may attack or may put on distraction display. Young leave nest about 4 weeks after hatching, are cared for by parents for some time thereafter.


Young

Both parents bring food for young. If intruders (including humans) come too close to nest, adults may attack or may put on distraction display. Young leave nest about 4 weeks after hatching, are cared for by parents for some time thereafter.

Diet

Mostly small mammals and large insects. Diet varies with habitat and region. Includes many beetles, moths, other insects, as well as spiders, scorpions, centipedes; also many small mammals, such as mice, voles, pocket gophers. Also eats small birds, lizards, snakes, frogs, fish.


Nesting

Courtship displays of male while perched include bowing, clicking bill. Male brings food to female. Mated pairs preen each other's feathers, call in duet. Nest site is in cavity in tree, pole, or giant cactus, typically in old woodpecker hole but also in natural hollows in trees. May also use old magpie nests. Sites usually 5-35' above ground.

Illustration © David Allen Sibley.
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Text © Kenn Kaufman, adapted from
Lives of North American Birds

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Migration

Permanent resident throughout its range.

  • All Seasons - Common
  • All Seasons - Uncommon
  • Breeding - Common
  • Breeding - Uncommon
  • Winter - Common
  • Winter - Uncommon
  • Migration - Common
  • Migration - Uncommon

See a fully interactive migration map for over 450 bird species on the Bird Migration Explorer.

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Songs and Calls

An accelerating "bouncing ball" series of 6-8 low whistles, often dropping in pitch toward the end. Also a quick series on 1 pitch.
Audio © Lang Elliott, Bob McGuire, Kevin Colver, Martyn Stewart and others.
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How Climate Change Will Reshape the Range of the Western Screech-Owl

Audubon’s scientists have used 140 million bird observations and sophisticated climate models to project how climate change will affect this bird’s range in the future.

Zoom in to see how this species’s current range will shift, expand, and contract under increased global temperatures.

Climate Threats Near You
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Climate threats facing the Western Screech-Owl

Choose a temperature scenario below to see which threats will affect this species as warming increases. The same climate change-driven threats that put birds at risk will affect other wildlife and people, too.