One of the most common owls in forests across northern North America (and across the U.S. in winter), saw-whets are highly nocturnal and seldom seen. Their high-pitched <em>too-too …

One of the most common owls in forests across northern North America (and across the U.S. in winter), saw-whets are highly nocturnal and seldom seen. Their high-pitched call is a common …

The northern saw-whet owl was formally described in 1788 by the German naturalist Johann Friedrich Gmelin in his revised and expanded edition of Carl Linnaeus's Systema Naturae.He …

Northern Saw-whet Owl (Aegolius acadicus) Close side view of a Northern Saw-whet Owl looking at us ©

7" (18 cm). A very small owl with no "ear" tufts. Overall warm brown, with reddish streaks on white chest. Juveniles in summer are chocolate brown with tawny buff belly, white eyebrows. In far …

Pint-sized owl of the U.S., Canada, and Mexico; found in northern forests and western mountains. Prefers areas with conifers and thick understory. Fairly common, but shy and difficult to see. …

Northern Saw-whet Owl (Aegolius acadicus) profile Close side view of a Northern Saw-whet Owl ©

Side view of a Unspotted Saw-whet Owl looking down from a branch at night - San Christobal, Chiapas, Mexico

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Age determination of Northern Saw-whet Owls is almost always based on the molt pattern among the primaries and secondaries, which is more easily viewed under ultraviolet light. While wing …