Bird Sounds
Birds use their beaks, wings, and tails to make sounds beyond their vocalizations. The ruffed grouse of North America (and the state bird of Pennsylvania) beats its wings in front of its chest at a rate of about 20 flaps per second. This compresses the air in front of it, and makes a thundering noise. The sound can be amplified if the bird does this while standing on a hollow log. The sound can be hear a quarter of a mile away. oros.store
Manakins, from the forests of Central and South America, perform courtship displays that include loud snapping and ripping sounds made by their wings. One species, the club-winged manakin, even makes violin-like sounds with a pair of wing feathers. skywings
The American woodcock patrols the skies at dusk and dawn. As it spirals upward, three thin, stiff primary feathers on each wing tip vibrate as the air rushes through them to porduce a twittering sound. A noise known as winnowing is made by Wilson’s snipes. They soar and then dive, making a chopping whistling noise. Nighthawks and the African flappet also make distinct sounds with their wings during courtship displays.
Hummingbirds hum when beating their wings when flying. They also use their wings and tails to make noises to communicate with other hummingbirds. A Lucifer’s hummingbirds makes a noise that sounds affluentwords