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The only finch in its subfamily to undergo a complete molt, the American goldfinch displays sexual dichromatism: the male is a vibrant yellow in the summer and an olive color during the winter, while the female is a dull yellow-brown shade which brightens only slightly during the summer.
The red avadavat (Amandava amandava), red munia or strawberry finch, is a sparrow-sized bird of the family Estrildidae. It is found in the open fields and grasslands of tropical Asia and is popular as a cage bird due to the colourful plumage of the males in their breeding season.
The eggs are incubated for 11–13 days by the female, who is fed by the male. The chicks are fed by both parents. Initially they receive a mixture of seeds and insects, but as they grow the proportion of insect material decreases. [25] For the first 7–9 days the young are brooded by the female. The nestlings fledge 13–18 days after hatching.
A flying paradox, the house finch is both native and introduced to North America. Originally native to Mexico and the Western United States, house finches were shipped to New York City and sold as ...
When singing the male sits in what is called the slope posture—erect with the head feathers raised. [23] There are two types of slope posture, a pre-copulatory one and an ordinary one. The pre-copulatory behavior of scaly-breasted munia includes a sequence of actions. The first involves either the male or female playing with nest-material.
Together with its relatives the American goldfinch and Lawrence's goldfinch, it forms a clade, termed the 'New World goldfinch' clade, in the genus Spinus. Some authors have suggested treating this clade as a separate genus Astragalinus , [ 2 ] but this has not been followed by either the IOC or BirdLife International.
The Eurasian chaffinch, common chaffinch, or simply the chaffinch (Fringilla coelebs) is a common and widespread small passerine bird in the finch family. The male is brightly coloured with a blue-grey cap and rust-red underparts. The female is more subdued in colouring, but both sexes have two contrasting white wing bars and white sides to the ...
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