Northern Flying Squirrel

Glaucomys sabrinus

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This is a medium-sized flying squirrel with a brownish to grayish-brown dorsal coat and a creamy or whitish underside. It has large, prominent eyes and a broad, furred me…

Northern Flying Squirrel illustration

How to identify

This is a medium-sized flying squirrel with a brownish to grayish-brown dorsal coat and a creamy or whitish underside. It has large, prominent eyes and a broad, furred membrane (patagium) extending between its wrists and ankles, used for gliding. The tail is moderately long, flattened, and bushy.

Range

G. sabrinus is found across a large portion of North America, including parts of Canada, Alaska, and the northern United States, extending south into some mountainous regions.

Habitat

This species inhabits a variety of coniferous and mixed coniferous forests, often favoring older forests with abundant snags and cavities for nesting.

Similar species

G. sabrinus can be difficult to distinguish from Glaucomys volans, but G. sabrinus is generally larger, has a furred upper surface of the gliding membrane near the body, and often has a grayish or darker appearance.

Name and etymology

sabrinus: Latin for Sabrina

At a glance

Range

G. sabrinus is found across a large portion of North America, including parts of Canada, Alaska, and the northern United Stat…

Habitat

This species inhabits a variety of coniferous and mixed coniferous forests, often favoring older forests with abundant snags…

Guide

Mammals of North America

Range map

Range map for Northern Flying Squirrel

Approximate range. © Mapbox © OpenStreetMap

Sources & further reading