Though famous for their mid-air hovering during hunting, tiny hummingbirds have another trait that is literally telltale: males of some hummingbird species generate loud sounds with their tail ...

Sept. 22 (UPI) --Scientists have added another species to the list of birds that use sounds made with their feathers to communicate. The male fork-tailed flycatcher, a passerine bird species native to ...

A Yale University zoologist has used a laser vibrometer and high speed videos from a wind tunnel to work out how the hummingbird makes its famous hum, and found that ...

Fork-tailed flycatchers make a fluttering sound with their wings—but separate subspecies have different “dialects” of fluttering. Christopher Intagliata reports. Charles Darwin is most famous for his ...

A sequence of acoustic events is perceived either as one continuous sound or as a stream of temporally discrete sounds (acoustic flutter), depending on the rate at which the acoustic events repeat.

Earlier this year, Lexi Snyder was walking outside her home in California’s San Gabriel Valley when she heard a strange fluttering sound.