Race across tundra: White spruce vs. snowshoe hare (Image 1)

In addition to white spruces, snowshoe hares also browse on willow trees, seen here in early spring along Alaska's Dietrich River. [Image 1 of 6 related images. See Image 2.]

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With Alaska's warming climate, forests ...This is an NSF Multimedia Gallery item.

Source: NSF Multimedia Gallery - April 17, 2018 Category: Science Source Type: video