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Bird vocalization includes both bird calls and bird songs. In non-technical use, bird songs (often simply birdsong ) are the bird sounds that are melodious to the human ear. In ornithology and birding , songs (relatively complex vocalizations) are distinguished by function from calls (relatively simple vocalizations).
The Burney Relief (also known as the Queen of the Night relief) is a Mesopotamian terracotta plaque in high relief of the Isin-Larsa period or Old-Babylonian period, depicting a winged, nude, goddess-like figure with bird's talons, flanked by owls, and perched upon two lions. Side view showing depth of the relief
The common sounds the male bird makes towards a female is "woikawoikawoika", symbolizing their relationship to one another and other birds. If the call is used towards a male, it is a territorial sign. [23] The calls' pattern can be classified as flat and gradually rises into a loud noise. The call type is a chirp that drums and rattles. [26]
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The wings make an unusual whistling sound upon take-off and landing, a form of sonation. The bird is a strong flier, capable of speeds up to 88 km/h (55 mph). [3] Mourning doves are light gray and brown and generally muted in color. Males and females are similar in appearance. The species is generally monogamous, with two squabs (young) per ...
The feathers making up this disc can be adjusted to sharply focus sounds from varying distances onto the owls' asymmetrically placed ear cavities. Most birds of prey have eyes on the sides of their heads, but the stereoscopic nature of the owl's forward-facing eyes permits the greater sense of depth perception necessary for low-light hunting.
The syrinx (from the Greek word "σύριγξ" for pan pipes) is the vocal organ of birds. Located at the base of a bird's trachea, it produces sounds without the vocal folds of mammals. [1] The sound is produced by vibrations of some or all of the membrana tympaniformis (the walls of the syrinx) and the pessulus, caused by air flowing through ...
Birds navigate during migration using a variety of methods. For diurnal migrants, the sun is used to navigate by day, and a stellar compass is used at night. Birds that use the sun compensate for the changing position of the sun during the day by the use of an internal clock. [77]