Owls have asymmetrically placed ears to track prey

I have 4 or 5 beautiful great horned owls in my backyard. I see them every day. This short National Geographic video explains why owls are such great hunters: huge light-sensitive eyes, fringed wings that allow them to fly silently, and asymmetrically placed ears that picked up sounds a fraction of a second apart to help them pinpoint their prey's location.

Image: National Geographic/YouTube

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