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“Start by learning just two or three songs of birds you can see,” says Dr. Webster. “Then, move forward by adding one call at a time.” “Then, move forward by adding one call at a time.”
This was adopted by early researchers [127] including C.E.G. Bailey who demonstrated its use for studying bird song in 1950. [128] The use of spectrograms to visualize bird song was then adopted by Donald J. Borror [129] and developed further by others including W. H. Thorpe. [130] [131] These visual representations are also called sonograms or ...
The song is loud, with an impressive range of whistles, trills and gurgles. Its song is particularly noticeable at night because few other birds are singing. This is why its name includes "night" in several languages. Only unpaired males sing regularly at night, and nocturnal song probably serves to attract a mate.
Bird Sound) is a hazardous but navigable sound, 1 nautical mile (2 km) long and 0.5 nautical miles (1 km) wide, separating Bird Island from the west end of South Georgia The names "La Roche Strait" and "Bird Sound" were used interchangeably for this feature on charts for many years.
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The breeding habitats of these birds are marshes and other wet areas with dense low vegetation, and may also be found in other areas with dense shrub. However, these birds are less common in dry areas. Females appear to prefer males with larger masks. Common yellowthroats nest in low areas of the vegetation, laying 3–5 eggs in a cup-shaped nest.
When these waves are converted into audio signals, scientists have found them to sound similar to birds chirping. Schematic showing occurrence of chorus waves (Chengming Liu et al., Nature (2025))
An annual International Dawn Chorus Day is held on the first Sunday in May [6] when the public are encouraged to rise early to listen to bird song at organised events. The first ever was held at Moseley Bog in Birmingham, England, in 1987, organized by the Urban Wildlife Trust (now The Wildlife Trust for Birmingham and the Black Country).