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  2. List of animal sounds - Wikipedia

    en.wikipedia.org/wiki/List_of_animal_sounds

    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 .

  3. Garden owl - Wikipedia

    en.wikipedia.org/wiki/Garden_owl

    Modern garden owls are commonly constructed from plastic blow molds.There are many manufactures of Garden Owls. [4] A swiveling head [5] and wind-powered wings [6] are features that are often used to mimic a living owls behavior, and increase the garden owl's ability to deter pests.

  4. Bird scarer - Wikipedia

    en.wikipedia.org/wiki/Bird_scarer

    Ultrasonic devices are static sound-emitting bird deterrents, which, in theory, will annoy birds to keep them away from enclosed or semi-enclosed areas. Ultrasonic scarers are not harmful to birds, however, there is debate around birds' ability to hear these frequencies at loud enough decibels.

  5. International English Language Testing System - Wikipedia

    en.wikipedia.org/wiki/International_English...

    IELTS One Skill Retake was introduced for computer-delivered tests in 2023, which allows a test taker to retake any one section (Listening, Reading, Writing and Speaking) of the test. [ 7 ] IELTS is accepted by most Australian , British , Canadian , European , Irish and New Zealand academic institutions, by over 3,000 academic institutions in ...

  6. Scarecrow - Wikipedia

    en.wikipedia.org/wiki/Scarecrow

    Scarecrows in a rice paddy in Japan. A scarecrow is a decoy or mannequin that is often in the shape of a human. Humanoid scarecrows are usually dressed in old clothes and placed in open fields to discourage birds from disturbing and feeding on recently cast seed and growing crops. [1]

  7. Deimatic behaviour - Wikipedia

    en.wikipedia.org/wiki/Deimatic_behaviour

    Spirama helicina resembling the face of a snake in a deimatic or bluffing display. Deimatic behaviour or startle display [1] means any pattern of bluffing behaviour in an animal that lacks strong defences, such as suddenly displaying conspicuous eyespots, to scare off or momentarily distract a predator, thus giving the prey animal an opportunity to escape.

  8. Bird vocalization - Wikipedia

    en.wikipedia.org/wiki/Bird_vocalization

    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 ...

  9. Squawk (sound) - Wikipedia

    en.wikipedia.org/wiki/Squawk_(sound)

    Squawks, or short wheezes, are brief, "squeaky" sounds; they are also referred to as squeaks. Their waveforms show a sinusoidal pattern with a duration 10 to 100 ms and a frequency between 200 and 800 Hz. Many birds have made sounds which are onomatopoeically described as "squawk".