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For a lone potoo, or a brooding adult with a potential predator close to the nest, the bird attempts to avoid detection by remaining motionless and relying on camouflage. If ineffective, the potoo breaks cover and attempts to intimidate the predator by opening its beak and eyes wide open while vocalizing or simply flies out of reach.
The following is a list of unidentified, or formerly unidentified, sounds. All of the NOAA sound files in this article have been sped up by at least a factor of 16 to increase intelligibility by condensing them and raising the frequency from infrasound to a more audible and reproducible range.
The lyrebird is an Australian species best known for its ability to mimic man-made sounds. National Geographic has recorded these remarkable birds mimicking such unnatural noises as a chainsaw and ...
Certain words in the English language represent animal sounds: the noises and vocalizations of particular animals, especially noises used by animals for communication. The words can be used as verbs or interjections in addition to nouns , and many of them are also specifically onomatopoeic .
Videos of eerie noises erupting from the skies have recently surfaced on YouTube, sending people into a panic around the world. The video above shows a particularly frightening episode of this ...
The alicanto was a legendary bird of the Atacama desert of Chile. [4] [1] Legend says that the alicanto's wings shine at night with beautiful metallic colors, and their eyes emit strange lights. [4] [5] The color of the wings may indicate the type of ore it eats, golden if from a gold mine and silvery if from a silver mine.
In sound localization, ITDs are used as cues for location in the azimuth. ITD changes systematically with azimuth. Sounds to the right arrive first at the right ear; sounds to the left arrive first at the left ear. In mammals there is a level difference in sounds at the two ears caused by the sound-shadowing effect of the head.
Tales of the hidebehind may have been used as an explanation of strange noises in the forest at night. Early accounts describe hidebehinds as large, powerful animals, despite the fact that no one was able to see them. Other sources suggest that the Hidebehind makes hissing noises, such as a viper would. [citation needed]