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4. Listen to Song Recordings in Your Spare Time. The Cornell Lab of Ornithology’s Macaulay Library contains a multimedia archive with more than 800,000 audio recordings of birds. It's free to ...
The songs of different species of birds vary and are generally typical of the species. Species vary greatly in the complexity of their songs and in the number of distinct kinds of song they sing (up to 3000 in the brown thrasher); individuals within some species vary in the same way.
xeno-canto is a citizen science project and repository in which volunteers record, upload and annotate recordings of bird calls and sounds of orthoptera and bats. [2] Since it began in 2005, it has collected over 575,000 sound recordings from more than 10,000 species worldwide, and has become one of the biggest collections of bird sounds in the world. [1]
Chaffinches raised in social isolation develop abnormal songs, however playing recordings of chaffinch songs allows the young birds to learn their species-specific songs. [31] 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 ...
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In males, however, most song system neurons respond maximally to the sound of the bird's own song, even more than they do to the tutor's song or any other conspecific song. [ 6 ] [ 7 ] In HVC, neurons switch from responding best to tutor song (35–69 days post-hatch) to responding best to the bird's own song (>70 days post-hatch). [ 8 ]
The species were chosen based on data from Project FeederWatch, a citizen science program run by the Cornell Lab, which allows people to submit sightings of birds they've seen locally.
One proposed [citation needed] function for (general) mimicry is that mimics have evolved to have a wide repertoire of vocalisations to increase their reproductive success. The male lyrebird, for example, adorns his song with many different mimicked sounds, often the songs of other nearby birds, but can include car horns, chainsaws and barking ...