Eurasian Linnet
Linaria cannabina
Small finch of open country, from wild moorland to rough grassland and weedy patches in urban areas. Like other finches, often forms flocks in autumn and winter; does not usually visit garden feeders. Generally looks small and rather dull, unless male is seen well, when reddish breast, gray head, and rusty-brown back are a distinctive combination. Drab female best identified by face pattern: broad pale crescents above and below eyes, and pale cheek patch. Listen for musical twittering song and dry tittering calls, often given in flight.
识别特征
The common linnet is a slim bird with a long tail. The upper parts are brown, the throat is sullied white and the bill is grey. The summer male has a grey nape, red head-patch and red breast. Females and young birds lack the red and have white underparts, the breast streaked buff.
分类信息
In 1758, the Swedish naturalist Carl Linnaeus included the common linnet in the 10th edition of his Systema Naturae under the binomial name, Acanthis cannabina. The species was formerly placed in the genus Carduelis but based on the results of a phylogenetic analysis of mitochondrial and nuclear DNA sequences published in 2012, it was moved to the genus Linaria that had been introduced by the German naturalist Johann Matthäus Bechstein in 1802.<p>The genus name linaria is the Latin for a linen-weaver, from linum, "flax". The species name cannabina comes from the Latin for hemp. The English name has a similar root, being derived from Old French linette, from lin, "flax".<p>There are seven recognised subspecies:
- 学名
- Linaria cannabina
- 命名信息
- (Linnaeus, 1758)
- 目
- Passeriformes
- 科
- Fringillidae
- 属
- Linaria
分布与栖息地
The common linnet breeds in Europe, the western Palearctic and North Africa. It is partially resident, but many eastern and northern birds migrate farther south in the breeding range or move to the coasts. They are sometimes found several hundred miles off-shore. It has been introduced to the Dominican Republic.
- 繁殖区
- PAL : temperate to subtropical w, c Palearctic in open lowland woodland, fields (alpine meadows in s): British Is., s Scandinavia e to Altay region (sc Russia), n Xinjiang (nw China) and far w Mongolia, in s to Madeira and Canary Is. (Macaronesia, w of n Africa), Morocco to n Libya, throughout Mediterranean to Turkey, Cyprus, Israel, w Jordan and w Syria, through Caucasus, n, s Iran, n Afghanistan through e Kazakhstan
- 非繁殖区
- short-distance movements
- 迁徙
- Complete migrants
行为
Migration pattern: Complete migrants.
保护状况
Population trend: declining.
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类
Snowy-crowned Tern
Sterna trudeaui
Attractive but often rather local tern of southern South America. Favors shallow coastal waters, but also ranges inland locally along rivers and lakes. Often associates with other terns on beaches and at river mouths. All plumages have diagnostic white head with narrow blackish mask and reddish legs. Breeding adult has an orange bill with a black-and-yellow tip. Nonbreeding birds have a black bill with a small yellow tip. Immature birds have a black bill with little or no pale tip.
Bar-winged Weaver
Ploceus angolensis
A localized woodland weaver that has dark brown upperparts, yellow back and rump, obvious white wing bars, and pale underparts suffused with lemon on the belly and flanks. Juvenile is like adult but with a pale crown and bill. Restricted to mature evergreen (Cryptosepalum) dry forests and Miombo woodland where ‘Old Man’s Beard’ Usnea lichen is abundant; singles and pairs sometimes join mixed-species flocks and forage secretively for insects by creeping along branches like a nuthatch or creeper; does not nest colonially. Not very vocal, but occasionally calls a series of high-pitched squeaks, buzzes, and churrs.
Gray-headed Albatross
Thalassarche chrysostoma
Rarely found north of cold subantarctic waters; ranges south to pack-ice in summer. Adult has a gray head, thick black underwing margins like much commoner Black-browed Albatross. Immatures look similar to Black-browed overall, but told by black bill that soon develops yellow along top, and often with variable gray hood. Yellow bill edges narrower than the more lightly built Buller’s Albatross, which occurs to the north but is often mistaken for Gray-headed.
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