Northern Saw-whet Owl
Aegolius acadicus

Habitat: Woodlands, mostly coniferous 
Range: Northern and Western United States, and Southern Canada.  In winter can be found in most of the United States.
Voice: One note whistle, "Too, too, too, too...", repeated over and over, sometimes for hours.  
Identification: Length: 7 - 8 inches
Wingspan: 17 - 20 inches
Weight: 2.6 - 3.25 ounces
A small owl with a large rounded head and no ear tufts.  The yellow eyes are surrounded by a pale facial disk with white eyebrows.  The upperparts are brown with large white spots while the underparts are pale with large streaks.
Diet:    Mostly small mice, but also eats birds and insects.
Nest: Begins nesting in late March and April.  The female lays 4 - 7 eggs in an old woodpecker hole or other natural cavity.  The female incubates the eggs for 26 - 29 days.  The young leave the nest after 27 - 34 days.  The female stays with the young for the first 18 days and the she leaves the nest.  The male will continue to leave feed the birds for up to a month after they leave the nest.
Comments: This tiny owl is mostly nocturnal which makes it difficult to find.  Looking for pellets and white wash is one of the easiest ways to locate this species.  

Created by: Jody Hildreth
Copyright © 2003 All rights reserved.
Revised: March 18, 2003 .