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Winged Migration (French: Le Peuple Migrateur, also known as The Travelling Birds in some UK releases, or The Travelling Birds: An Adventure in Flight in Australia) is a 2001 documentary film directed by Jacques Cluzaud, Michel Debats and Jacques Perrin, who was also one of the writers and narrators, showcasing the immense journeys routinely made by birds during their migrations.
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Bird control spikes can be attached to building ledges, street lighting, and commercial signage to prevent wild or feral birds from perching or roosting. Birds can produce large quantities of unsightly and unhygienic feces , and some birds have very loud calls that can be inconvenient for nearby residents, especially at night.
Many birds, especially those that nest in cavities, are known to produce a snakelike hissing sound that may help deter predators at close range. [ 44 ] Some cave-dwelling species, including the oilbird [ 45 ] and swiftlets ( Collocalia and Aerodramus species), [ 46 ] use audible sound (with the majority of sonic location occurring between 2 and ...
Foley artists make sounds for movies using objects. There are surprising methods for creating everything from a horse chewing to a punch in the face. 10 surprising ways sounds are made for movies
The term echolocation was coined by 1944 by the American zoologist Donald Griffin, who, with Robert Galambos, first demonstrated the phenomenon in bats. [1] [2] As Griffin described in his book, [3] the 18th century Italian scientist Lazzaro Spallanzani had, by means of a series of elaborate experiments, concluded that when bats fly at night, they rely on some sense besides vision, but he did ...
Upsweep is an unidentified sound detected on the American NOAA's equatorial autonomous hydrophone arrays. This sound was present when the Pacific Marine Environmental Laboratory began recording its sound surveillance system, SOSUS, in August 1991. It consists of a long train of narrow-band upsweeping sounds of several seconds in duration each.
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