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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).
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]
Video of a hummingbird building a nest. Male hummingbirds do not take part in nesting. [140] Most species build a cup-shaped nest on the branch of a tree or shrub. [141] The nest varies in size relative to the particular species – from smaller than half a walnut shell to several centimeters in diameter. [140]
The bumblebee hummingbird's song has been described as "a high, thin, whining sss ssssssssis or seeuuuuu, drawn out and fading at end", and is sung from a perch. Its calls are "high chips, much like [those of other] Selasphorus." The male's wings make an insect-like buzz in flight; it is louder during the courtship display. [8]
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The red-billed streamertail (Trochilus polytmus), also known as the doctor bird, scissor-tail or scissors tail hummingbird, is a species of hummingbird in the "emeralds", tribe Trochilini of subfamily Trochilinae. It is endemic to Jamaica and is the national bird of the country. [4] [5] [6]
As an example, the great tit, a European songbird, uses such a signal to call on nearby birds to harass a perched bird of prey, such as an owl. This call occurs in the 4.5kHz range, [66] and carries over long distances. However, when such prey species are in flight, they employ an alarm signal in the 7–8 kHz range.
The tufted coquette (Lophornis ornatus) is a tiny hummingbird that breeds in eastern Venezuela, Trinidad, Guiana, and northern Brazil. It is an uncommon but widespread species, and appears to be a local or seasonal migrant, although its movements are not well understood. This small bird inhabits open country, gardens, and cultivated areas.