Northern Harrier and Barn Owl

Teetering and gliding not far above the ground, this Northern Harrier—formerly called a Marsh Hawk—scans the marsh grass for voles. If you return to the marsh at night, the harrier will be gone, and it’s a Barn Owl you might see, also hunting voles. Although one’s a hawk and the other an owl, the two have a lot in common—more than their taste for tiny, furry creatures. For instance, both can hunt by sound, rather than sight, as most birds do.

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