Английская Википедия:European greenfinch
Шаблон:Short description Шаблон:Speciesbox The European greenfinch or simply the greenfinch (Chloris chloris) is a small passerine bird in the finch family Fringillidae.
This bird is widespread throughout Europe, North Africa and Southwest Asia. It is mainly resident, but some northernmost populations migrate further south. The greenfinch has also been introduced into Australia, New Zealand, Uruguay, and Argentina.
Taxonomy
The greenfinch was described by Carl Linnaeus in his landmark 1758 10th edition of Systema Naturae under the binomial name Loxia chloris.Шаблон:SfnШаблон:Sfn The specific epithet is from khloris, the Ancient Greek name for this bird, from khloros, "green".Шаблон:Sfn
The finch family, Fringillidae, is divided into two subfamilies, the Carduelinae, containing around 28 genera with 141 species and the Fringillinae containing a single genus, Fringilla, with four species. The finch family are all seed-eaters with stout conical bills. They have similar skull morphologies, nine large primaries, 12 tail feathers and no crop. In all species the female bird builds the nest, incubates the eggs and broods the young. Fringilline finches raise their young almost entirely on arthropods, while the cardueline finches raise their young on regurgitated seeds.Шаблон:Sfn
A molecular phylogenetic study published in 2012 found that the greenfinches are not closely related to other members of the genus Carduelis.[1] They have therefore been placed in the resurrected genus Chloris that had originally been introduced by the French naturalist Georges Cuvier in 1800, with the European greenfinch as the type species.[2][3][4]
Subspecies
There are 10 recognised subspecies.[3]
| Image | Name and describing authority | Range |
|---|---|---|
| Файл:Green finch (E) (3) (9108229195).jpg | C. c. harrisoni Clancey, 1940 | Great Britain (except northern Scotland) and Ireland |
| C. c. chloris (Linnaeus, 1758) | Northern Scotland, northern and central France and Norway to western Siberia | |
| C. c. muehlei Parrot, 1905 | Serbia and Montenegro to Moldova, Bulgaria, and Greece | |
| Файл:Greenfinch (Chloris chloris aurantiiventris) Extremadura.jpg | C. c. aurantiiventris (Cabanis, 1851) | Southern Spain through southern Europe to western Greece |
| C. c. madaraszi Tschusi, 1911 | Corsica and Sardinia | |
| C. c. vanmarli Voous, 1952 | Northwestern Spain, Portugal and northwestern Morocco | |
| Файл:European greenfinch (Chloris chloris voousi) male.jpg | C. c. voousi (Roselaar, 1993) | Central Morocco and northern Algeria |
| C. c. chlorotica (Bonaparte, 1850) | South-central Turkey to northeastern Egypt | |
| C. c. bilkevitchi Zarudny, 1911 | Southern Ukraine, the Caucasus and northeastern Turkey to northern Iran and southwestern Turkmenistan | |
| C. c. turkestanica Zarudny, 1907 | Southern Kazakhstan to Kyrgyzstan and central Tajikistan |
Description
The European greenfinch is Шаблон:Convert long with a wingspan of Шаблон:Convert. 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.[5] The song contains a lot of trilling twitters interspersed with wheezes, and the male has a "butterfly" display flight. Male greenfinch birds exhibit higher degrees of fluctuating asymmetry. The development of bones of males may be more easily disrupted than that of females.
Behaviour and ecology
Breeding
The breeding season begins in the second half of March, until June, with fledging young in early July. Woodland edges, farmland hedges and gardens with relatively thick vegetation are favoured for breeding.[6] The nest is placed in trees or bushes.[7][8] The nest is built by the female who is accompanied by the male. The clutch consists of 4–6 eggs which are laid at daily intervals usually beginning one or two days after the completion of the nest. The eggs are greyish-white, bluish-white or beige with reddish or brownish spots or blotches concentrated at the broader end. On average the eggs measure Шаблон:Cvt and weigh Шаблон:Cvt. They are incubated by the female for 13–14 days.Шаблон:Sfn The male feeds her at the nest during this period. Chicks are covered with thick, long, greyish-white down at hatching. They are fed on insect larvae by both adults during the first days, and later, by a frequently regurgitated yellowish paste made of seeds. They leave the nest about 13 days later, but they are not able to fly. Usually, they fledge 16–18 days after hatching. This species produces two or three broods per year.[7][8]
In Australasia, the European greenfinch's breeding season is from October to March.[9]
Food and feeding
The European greenfinch feeds on a great variety of seeds, berries, fruit, buds, flowers and some arthropods. It forages in trees and bushes, and also on the ground.Шаблон:Sfn
Predators and parasites
The protozoal parasite Trichomonas gallinae was known to infect pigeons and raptors, but, beginning in Great Britain in 2005, carcasses of dead European greenfinches and common chaffinches were found to be infected with the parasite.[10] The disease spread and in 2008, infected carcasses were found in Norway, Sweden and Finland and a year later in Germany. The spread of the disease is believed to have been mediated by common chaffinches, as large numbers of the birds breed in northern Europe and winter in Great Britain.[11] In Great Britain, the number of infected carcasses recovered each year declined after a peak in 2006. There was a reduction in the number of European greenfinches from around 4.3 million to around 2.8 million, but no significant decline in the overall number of common chaffinches.[12] A similar pattern occurred in Finland where, after the arrival of the disease in 2008, there was a reduction in the number of European greenfinches but only a small change in the number of common chaffinches.[13]
In literature
The English poet William Wordsworth wrote a poem about this species entitled The Green Linnet in 1803.[14][15]
References
Sources
External links
- Audio recordings from Xeno-canto
- Videos and photos from the Internet Bird Collection
- Ageing and sexing by Javier Blasco-Zumeta & Gerd-Michael Heinze Шаблон:Webarchive
- Feathers of European greenfinch (Carduelis chloris) Шаблон:Webarchive
- ↑ Шаблон:Cite journal
- ↑ Шаблон:Cite book The year on the title page is An VIII.
- ↑ 3,0 3,1 Шаблон:Cite web
- ↑ Шаблон:Cite journal
- ↑ Шаблон:Cite book
- ↑ Шаблон:Cite journal
- ↑ 7,0 7,1 Шаблон:Cite journal
- ↑ 8,0 8,1 Шаблон:Cite journal
- ↑ Шаблон:Cite book
- ↑ Шаблон:Cite journal
- ↑ Шаблон:Cite journal
- ↑ Шаблон:Cite journal
- ↑ Шаблон:Cite journal
- ↑ Wordsworth, William "The Poetical Works of William Wordsworth". Copyright 1847, 1858 Edward Moxon, Dover Street, London. pp. 118-119.
- ↑ Poetry Foundation The Green Linnet
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