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The eastern bluebird (Sialia sialis) is a small North American migratory thrush found in open woodlands, farmlands, and orchards.. The bright-blue breeding plumage of the male, easily observed on a wire or open perch, makes this species a favorite of birders.
Blue-headed racket-tail: P. platenae Blasius, 1888: g VU: Palawan, an island chain of the Philippines Green racket-tail: P. luconensis Steere, 1890: e EN: Luzon and Marinduque: Blue-crowned racket-tail: P. discurus (Vieillot, 1822) LC: Central and southern Philippines Mindoro racket-tail: P. mindorensis Steere, 1890 g VU: Mindoro, an island of ...
The cockatiel is by far the cockatoo species most frequently kept in captivity. Among U.S. bird keepers that participated in a survey by APPMA in 2003/04, 39% had cockatiels, as opposed to only 3% that had (other) cockatoo species. [116] The white cockatoos are more often encountered in aviculture than the black cockatoos. [117]
Cockatiels can also be taught to sing specific melodies, to the extent that some cockatiels have been demonstrated to synchronise their melodies with the songs of humans. [23] Without being taught how to both male and female cockatiels repeat household sounds, including alarm clocks, phones, tunes or other birds from the outdoors. [24] [25] [26]
However, bird breeders can breed for certain traits, and they have been breeding for different color mutations in cockatiels since the 1940s. [1] The lutino cockatiel mutation was the second cockatiel mutation to be established in the United States, the first being the pied cockatiel mutation in 1951. [2]
xeno-canto, which translates to "strange sound", is a sounds-only project seeking to highlight sounds of birds, rather than images or videos. xeno-canto was launched on May 30, 2005, by Bob Planqué, a mathematical biologist at VU University Amsterdam, and Willem-Pier Vellinga, a physicist who now consults for a global materials technology company. [10]
The blue jay can be beneficial to other bird species, as it may chase predatory birds, such as hawks and owls, and will scream if it sees a predator within its territory. It has also been known to sound an alarm call when hawks or other dangers are near, and smaller birds often recognize this call and hide themselves away accordingly.
The genus Sialia was introduced by the English naturalist William John Swainson in 1827 with the eastern bluebird (Sialia sialis) as the type species. [2] [3] A molecular phylogenetic study using mitochondrial sequences published in 2005 found that Sialia, Myadestes (solitaires) and Neocossyphus (African ant-thrushes) formed a basal clade in the family Turdidae.