Many-colored Rush Tyrant

Tachuris rubrigastra

Attractive, multicolored little bird of fresh and brackish marshes with rushes and reed beds; known in some areas as siete colores (seven colors). Feeds actively in rushes and adjacent vegetation, sometimes on adjacent muddy shorelines. Boldly patterned and colorful plumage is unique among flycatchers and should not be confused if seen well; note the bold white wingband and white tail sides, which show distinctly in flight.

识别特征

The many-colored rush tyrant is a small bird, 11–11.5 cm (4.3–4.5 in) in length. As the bird's name suggests, the plumage is very colourful. The back and rump are green while the underparts are yellow apart from the white throat, black breastband and red undertail-coverts. The face is dark blue-grey, there is a yellow stripe over the eye and the crown is dark with a red patch that is often concealed. The wings and tail are dark with a white wingbar and white outer tail-feathers. Females are duller than the males.

分类信息

A 2013 DNA-based study of South American suboscines found that the many-colored rush tyrant belonged to an isolated lineage that had been separated from other suboscines for around 25 million years. The authors proposed that it would be better placed in its own monotypic family Tachurididae. It was subsequently suggested that the name should be Tachurisidae. The placement in a separate family was followed by Edward Dickinson and Leslie Christidis in the fourth edition of the Howard and Moore Complete Checklist of the Birds of the World, but has not yet been adopted by other authorities.<p>Four subspecies are recognised. The nominate T. r. rubrigastra is the most widespread, occurring from south-east Brazil to southern Argentina and central Chile, T. r. alticola is found in the Andes of south-east Peru, west Bolivia and north-west Argentina, T. r. libertatis is found in coastal Peru while T. r. loaensis is restricted to Antofagasta Region in northern Chile.

学名
Tachuris rubrigastra
命名信息
(Vieillot, 1817)
Passeriformes
Tyrannidae
Tachuris

分布与栖息地

迁徙
Complete migrants

保护状况

种群趋势
stable

照片

分布

鸟叫声

其他鸟类

Siberian Crane

Siberian Crane

Leucogeranus leucogeranus

Rare and declining, but still fairly abundant at its main wintering grounds at Poyang Lake, in China’s Jiangxi Province. Adult is unmistakable with all-white plumage, save for a crimson face and black wingtips. Juveniles are whitish, with a light brown head, neck, back, and wings. Typically found around lake edges and fields, where it forages in small to medium-sized groups, primarily for plant matter and invertebrates.

Kamchatka Leaf Warbler

Kamchatka Leaf Warbler

Phylloscopus examinandus

Small songbird, essentially identical in plumage to Arctic Warbler and Japanese Leaf Warbler. A late spring migrant, often moving up the Chinese coast from Southeast Asia in mid- to late May. Breeds in the taiga forests and forest edges of the Kamchatka peninsula, Hokkaido, Sakhalin, and the Kuril Islands. Call is a low “chuck,” averaging lower than that of Japanese Leaf and Arctic Warblers. Song is a broken series of chattering notes, with each segment being in more discrete phrases than the more consistent, higher-pitched song of Arctic.

Spectacled Bulbul

Spectacled Bulbul

Rubigula erythropthalmos

Dull brown bulbul; paler below than above. Thin orangish eyering around the bright red eye is diagnostic, but not always easy to see. Very similar in appearance to slightly larger Red-eyed Bulbul, as well as to the red-eyed Bornean form of Cream-vented Bulbul; Spectacled is best separated by its combination of stronger contrast of the gray-washed head and breast with the rufous-brown wings and rump. Throat coloration of Spectacled is intermediate between the starkly pale throat of Cream-vented and the brown-suffused throat of Red-eyed, and its bill appears smaller and sharper than in the former two species. Song is a jumble of cricket-like chirping and harsh scratchy notes. Calls are a bright and bubbly series of notes--“pi-di-pi-pi-di-di”--sometimes with a descending meow at the end. Inhabits lowland and foothill forests, usually found in more mature growth than Cream-vented and Red-eyed Bulbuls.

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