Robert Clarkのインスタグラム(robertclarkphoto) - 5月5日 00時13分

The leading edge of this left-wing primary flight #feather of a #SpottedOwl has a serrated edge, while the trailing edge is purposefully tattered, dampening the sound of their wings as they fly through the air as they hunt for insects and small animals. The design costs the bird some speed, but in the dark of night, silence is the most important #weapon that the #bird possesses.

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