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Euphonias are members of the genus Euphonia, a group of Neotropical birds in the finch family. They and the chlorophonias comprise the subfamily Euphoniinae.. The genus name is of Greek origin and refers to the birds' pleasing song, meaning "sweet-voiced" (εὖ eu means "well" or "good" and φωνή phōnē means "sound", hence "of good sound").
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 ...
Song sparrow ID, including sound and video, at Cornell Lab of Ornithology; Song sparrow facts at BirdHouses101.com; Song sparrow at Xeno-canto; Song sparrow - Melospiza melodia - USGS Patuxent Bird Identification InfoCenter "Song sparrow media". Internet Bird Collection. Song sparrow photo gallery at VIREO (Drexel University)
Birds are capable of producing continuous song during both inhalation and exhalation, and may sing continuously for several minutes. [11] For example, the skylark (Alauda arvensis) is capable of producing non-stop song for up to one hour. [12] Some birds change their song characteristics during inhalation versus exhalation.
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Other birds (especially non-passeriforms) sometimes have songs to attract mates or hold territory, but these are usually simple and repetitive, lacking the variety of many oscine songs. The monotonous repetition of the common cuckoo or little crake can be contrasted with the variety of a nightingale or marsh warbler .
The song of the lyrebird is a mixture of elements of its own song and mimicry of other species. Lyrebirds render with great fidelity the individual songs of other birds [ 14 ] [ 15 ] [ 16 ] and the chatter of flocks of birds, [ 17 ] [ 18 ] and also mimic other animals such as possums, [ 17 ] koalas and dingoes . [ 7 ]
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