Cobalt-winged Parakeet
Brotogeris cyanoptera
Small green parakeet with a short tail. Blue wing feathers are hard to see when perched but are conspicuous in flight. Found in a variety of forested habitats, including around forest edges, gardens, and agricultural areas, often traveling in loud groups. Distinguished from similar Tui Parakeet by dark eye, green forehead, and peach chin, and from parrotlets by its larger size.
识别特征
The cobalt-winged parakeet is 18 to 20 cm (7.1 to 7.9 in) long and weighs an average of 67 g (2.4 oz). The species is almost entirely green that is darker on its upperparts. Adults of the nominate subspecies B. c. cyanoptera have a yellowish forehead, an orange chin, and a blue tinge on their crown and nape. Their flight feathers are blue; their central tail feathers are also blue and the rest are green. Immature birds are a duller version of the adult. Subspecies B. c. gustavi has very little blue on its head and a yellow edge on the carpals. B. c. beniensis is paler than the nominate with a similar amount of blue on its head and a yellow carpal edge like gustavi.
分类信息
The International Ornithological Committee and the Clements taxonomy attribute the first description of the cobalt-winged parakeet to August von Pelzeln, dated 1870. Pelzeln called it Sittace cyanoptera and separated it from what is now the orange-chinned parakeet (Brotogeris jugularis). Peters, in his Check-list of Birds of the World, cited Tommaso Salvadori (1891) as the originator, and this citation is used by BirdLife International's Handbook of the Birds of the World.<p>The cobalt-winged parakeet has these three subspecies:<p>Subspecies B. c. gustavi has been treated as a separate species by some authors. The cobalt-winged and golden-winged parakeet (B. chrysoptera) are sister species.
- 学名
- Brotogeris cyanoptera
- 命名信息
- (Pelzeln, 1870)
- 目
- Psittaciformes
- 科
- Psittacidae
- 属
- Brotogeris
分布与栖息地
The subspecies of the cobalt-winged parakeet are found thus:<p>The cobalt-winged parakeet inhabits a variety of landscapes including the edges and interior of rainforest, secondary forest, várzea , savanna, and Llanos. In elevation it commonly reaches 1,000 m (3,300 ft) and occasionally 1,350 m (4,400 ft).
- 迁徙
- Resident species
行为
The cobalt-winged parakeet is thought to be mostly sedentary but might make some seasonal elevational movements.<p>Little is known about the cobalt-winged parakeet's foraging technique and diet. It has been recorded feeding on flowers, fruits, and Cecropia catkins. It also eats mineral-impregnated soil.<p>The cobalt-winged parakeet's breeding season is not well known but apparently includes June and July in the western part of its range. It nests in tree cavities. Captive pairs lay clutches of about five eggs that hatch in 24 days.<p>The cobalt-winged parakeet's common calls are " a high-pitched “klee”, shrill “chree” or bisyllabic “chree-chree”" that are given both when perched and in flight. Another call is "a fast chattering series “chichichichichi”." Members of flocks call simultaneously and make "a shrill chattering".
保护状况
- 种群趋势
- stable
照片
分布
鸟叫声
其他鸟类
Blue-throated Barbet
Psilopogon asiaticus
A common inhabitant of lowland and foothill tropical forests, where it sings brightly but often unseen from the canopy; listen for its repeated 3- or 4-syllabled ‘took-o-rrook!’ Tends to be more common in edge areas and degraded forests than other barbets. Bright green with a blue throat, a red-and-yellow crown, and a heavy, pale-based bill. Birds at the northern and western parts of this species’ range have a black brow, while southern birds don’t.
Black-headed Sibia
Heterophasia desgodinsi
Somewhat recalling a darker, smaller Azure-winged Magpie, this medium-sized babbler is found in foothill to montane forests from central China to far southern Vietnam. Generally one of the most common birds in pristine hill forest throughout much of its range, and often a main component of mixed flocks. Typically moves through the canopy, though may descend lower, even occasionally to the ground when foraging.
White-chinned Prinia
Schistolais leucopogon
Unusual, broad-tailed prinia with a white throat. Also note the black cheek and white in the outer tail. Found in the thick understory of forest, overgrown cultivation, and edge habitats. Usually in small, active groups. The vocalizations include high-pitched “tew” and “tsik” notes which are usually repeated rapidly in chorus by a whole group. Similar to some apalis species, but distinguished by the gray underparts with a well-defined white throat.
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