Blue-backed Conebill
Conirostrum sitticolor
Small attractive tanager, fairly common and widespread in the temperate zone of the Andes from Venezuela to Bolivia. Black head, blue back, black wings, and burnt-orange belly. Sexes alike. Where it overlaps with Chestnut-bellied Mountain-Tanager note the conebills smaller size and more pointed bill. Typically found in pairs or small family groups working the middle and upper levels of temperate forest and edge. Often follows mixed-species flocks.
识别特征
Blue-backed conebill is a small bird, weighing 11-13g. While subspecies differ slightly in appearance, all subspecies have some amount of black on their head, a blue back, rump, and tail, and an orange underside. The nominate subspecies, C. s. sitticolor has a fully black head and throat, and black wings, while C. s. cyaneum has a black cheek, chin, lore, and crown with a blue post-ocular stripe and throat, and blue wings. As the name would indicate, C. s. intermedium has an appearance intermediate between the two subspecies, with a black face, throat, and crown, a blue post-ocular stripe that doesn't extend past the eye and black wings.
分类信息
The blue-backed conebill was described by French ornithologist Frédéric de Lafresnaye in 1840. Who placed it in the genus Conirostrum, along with the other species of conebills. It was originally called the Purple conebill, with two of its subspecies, C. s. intermedium and C. s. cyaneum being described as different species, the Venezuelan purple conebill and the Peruvian purple conebill respectively. There are currently three recognized subspecies:
- 学名
- Conirostrum sitticolor
- 命名信息
- Lafresnaye, 1840
- 目
- Passeriformes
- 科
- Thraupidae
- 属
- Conirostrum
分布与栖息地
The Blue-backed conebill is found along the Andes range from northern to central South America. Its northern terminus being Cerro Pintado on the Colombia-Venezuela border and its southern terminus being Cochabamba Department in Bolivia. In Venezuela it is found in the Cordillera de Mérida and the Sierra de Perijá mountain ranges in the states of Zulia, Táchira, Mérida, Barinas, Trujillo, Portuguesa, and Lara. In Colombia it is found in the Central and Eastern Ranges of the Andes, as well in the Sierra de Perijá Range and in an isolated population near the town of Frontino. In Ecuador, it is found in the central part of the country in the La Sierra region from the Colombian border in the north to the Peruvian border in the south. C. s. sitticolor continues on the western slopes of the Andes until it reaches the southern limit of its range in Cajamarca. C. s. cyaneum is also found in Peru, starting from Amazonas in the north and continuing along the eastern slopes of the Andes into central Bolivia.
- 迁徙
- Resident species
行为
Migration pattern: Resident species.
保护状况
Population trend: declining.
- 种群趋势
- declining
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鸟叫声
其他鸟类
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Large pigeon of marshy savannas, riversides, open areas with scattered trees, locally even in towns, such as Villahermosa, Mexico. Gray head contrasts with pinkish body, and whitish belly does not contrast strongly with plain grayish tail; compare darker Red-billed Pigeon, which often occurs in same areas but prefers drier and more forested habitats. Also note black bill of Pale-vented, and subtly distinctive song: after long introductory coo, repeated phrase is typically a 3-syllable "who’koo-koo", unlike 4-syllable "oo’koo-koo-koo" of Red-billed.
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