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Male above, female below in Ystad. The European greenfinch is 15 cm (5.9 in) long with a wingspan of 24.5 to 27.5 cm (9.6 to 10.8 in). It is similar in size and shape to a house sparrow, but is mainly green, with yellow in the wings and tail. The female and young birds are duller and have brown tones on the back. The bill is thick and conical. [11]
The yellow-breasted greenfinch is 12–14 cm (4.7–5.5 in) in length and weighs between 15 and 21 g (0.53 and 0.74 oz). It has a brown conical bill and bright yellow wing bars. The underparts are bright yellow. The sexes have similar plumage but the female is less brightly coloured. [8]
The greenfinches were therefore moved to the resurrected genus Chloris which had originally been introduced by the French naturalist Georges Cuvier in 1800 with the European greenfinch as the type species. [3] [4] The name is from Ancient Greek khloris, the European greenfinch, from khloros, "green". [5]
The Vietnamese greenfinch is 13.5 to 14 cm (5.3 to 5.5 in) in length and weighs between 15 and 16 g (0.53 and 0.56 oz). It has a large conical bill, a black head and a narrow bright yellow collar. The plumage of the female is similar to that of the male but is less brightly coloured. [8]
The Oriental greenfinch is a medium-sized finch 12.5 to 14 cm (4.9 to 5.5 in) in length, with a strong bill and a short slightly forked tail. It nests in trees or bushes, laying 3-5 eggs. [ 12 ]
"Vireo" is a Latin word referring to a green migratory bird, perhaps the female golden oriole, possibly the European greenfinch. [ 1 ] [ 2 ] They are typically dull-plumaged and greenish in color, the smaller species resembling wood warblers apart from their heavier bills.
The black-headed greenfinch was described by the French zoologist Émile Oustalet in 1896 and given the binomial name Chysomitris ambigua. [3] [4] In the past the black-headed greenfinch was included with the other greenfinches in the genus Carduelis but molecular phylogenetic studies have shown that the greenfinches are not closely related to the other species in the genus Carduelis and they ...
The siskin is easy to recognize, but in some instances it can be confused with other finches such as the citril finch, the European greenfinch or the European serin. [16] The Eurasian siskin, in many plumages, is a bright bird. Adult male Eurasian siskins are bright green and yellow with a black cap, and an unstreaked throat and breast.