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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.
This suggests that other factors, such as the activation of genes on the z chromosome, might also play a role in normal male song development. [79] Hormones also have activational effects on singing and the song nuclei in adult birds. In canaries (Serinus canaria), females normally sing less often and with less complexity than males.
Migrating or wintering birds sometimes sing. [3] Individual male nightjars can be identified by analysing the rate and length of the pulses in their songs. [16] Even a singing male may be hard to locate; the perched bird is difficult to spot in low light conditions, and the song has a ventriloquial quality as the singer turns his head. [17]
Distinguishing males and females based solely on their singing is difficult. A bioacoustic analysis performed on both male and female songs revealed that male fee-bee singing fluctuates more, and the absolute amplitude of both sexes is the same. [21] The most familiar call is the chick-a-dee-dee-dee, which gave this bird its name.
The song is, however, much louder, often audible up to 2 km (2,000 yd) away. The song is given from a treetop or other elevated position mainly from November to early June. The male is most vocal in the early morning, and its tendency to sing after, and sometimes during, wet and windy weather led to the old name "stormcock".
The hilarious video was shared by the TikTok account for @Kiki.tiel and people can't get enough of this musical bird. One person commented, "You didn’t turn it off, just snoozed it."
Song learning generally involves a sensitive learning period in early life, during which young birds must be exposed to song from tutor animals in order to develop normal singing as adults. [32] Song learning occurs in two stages: the sensory phase and the sensorimotor phase. During the sensory phase, birds memorize the song of a tutor animal ...
Thorpe determined that if the young common chaffinch is not exposed to the adult male's song during a certain critical period after hatching, it will never properly learn the song. He also found that in adult Eurasian chaffinches, castration eliminates the song, but injection of testosterone induces such birds to sing even in November, when ...