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The immature bird resembles the female in coloring, although a male may have hints of blue on the tail and shoulders and have darker streaks on the underside. The beak is short and conical. In the adult female, the beak is light brown tinged with blue, and in the adult male the upper half is brownish-black while the lower is light blue. [12]
The Society finch (Lonchura striata domestica), also known as the Bengali finch or Bengalese finch, is a domesticated subspecies of finch. It became a popular cage and trade bird after appearing in European zoos in the 1860s through being imported from Japan, though it was domesticated in China. Coloration and behavior were modified through ...
Song of common rosefinch. The common rosefinch is 13–15 cm (5.1–5.9 in) in length. [6] It has a stout and conical bill. The mature male has brilliant rosy-carmine head, breast and rump; heavy bill; dark brown wings with two indistinct bars, and a white belly.
The nest is built entirely by the female and is generally completed within a week. The male accompanies the female, but does not contribute. [22] The nest is neat and compact and is generally located several metres above the ground, hidden by leaves in the twigs at the end of a swaying branch. [23]
The number of finches taken in the 1958 finch trapping season was the largest for one year, of the 38,649 finches taken, 11,286 were Gouldian. The last licensed trapping of Gouldian finch in Western Australia was on 15 November 1981. In that year's finch trapping season, of the 23,450 finches taken 1,054 were Gouldian. [29]
The name Fringillidae for the finch family was introduced in 1819 by the English zoologist William Elford Leach in a guide to the contents of the British Museum. [3] [4] The taxonomy of the family, in particular the cardueline finches, has a long and complicated history.
Furthermore, male and female plumage is indistinguishable in ultraviolet and visible light. A study published in 1999 showed that male long-tailed finches were unable to determine the sex of unfamiliar members of their species unless the latter bird declared its sex by song. [11] Juveniles have black beaks and shorter tail feathers. [9]
The adult male's breast is washed in red, but in females and young birds, the buff breast and white belly are streaked with brown. The bill is small and yellow. Some birds, particularly young ones, are difficult to assign to species.
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