Male ruffed grouse “drum” in springtime as a way to establish territory and to attract females. Although it looks as if the sound is caused by the bird’s wings hitting its chest, the sound actually comes from small sonic booms. The wings beat up to 5 times per second, causing the sound waves to stack up until they create a penetrating shock wave that creates the boom. Male grouse usually perform on a “drumming log,” which might help project the low-frequency sound. Drumming exerts a remarkable a
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Footage of Ruffed Grouse Drumming is Simply Stunning
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Video: Ruffed Grouse Puts On a Killer Drum Solo for the Woods | OutdoorHub
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Have you ever seen or heard the Ruffed Grouse's haunting air drumming? How the birds produce their unusual thrumming was a long-time mystery, until wildlife cinematography got involved: http://ow.ly/9As830kXLrn | National Audubon Society
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Often heard, seldom seen. #ruffedgrouse #drumming The male Ruffed Grouse’s unique drumming display takes place from atop a low log, stump, or rock. The deep, thumping sound starts slowly and builds to a blurred crescendo as the bird rapidly rotates his wings back and forth. The drumming sequence lasts 8–10 seconds, during which the wings may beat up to 50 times. Displays are most frequent just before and after sunrise, although they can continue into early evening. Listen for male’s drumming on
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