Chiribiquete Emerald
Chlorostilbon olivaresi
Poorly known hummingbird found only in the remote Chiribiquete Mountains in southeastern Colombia, far from the Andes. Male is iridescent green with a bluish tail. Female has pale underparts, black mask, and white stripe behind the eye. Very similar to the widespread Blue-tailed Emerald, but larger and longer billed. Inhabits scrubby areas in the higher parts of the mountains, and avoids dense forest.
识别特征
The Chiribiquete emerald is 8.5 to 9 cm (3.3 to 3.5 in) long. Males weigh about 3.8 g (0.13 oz) and females about 3.6 g (0.13 oz). The male's bill has a black maxilla and a red mandible with a black tip. The male's upperparts are metallic green, the uppertail coverts bluish green, and the tail dark steel blue with a shallow fork. The sides of its head and neck reflect golden green. Its throat and upper breast are glittering blue-green and the rest of the underparts bright metallic green. The female's bill is black with a red tinge at the base of the mandible. The female is metallic bronze breen above and pale gray below. It has a dusky face and a white stripe behind the eye. Most of its tail is bluish green; the outer feathers have gray bases, a dark blue band near the end, and white tips.
分类信息
The Chiribiquete emerald was first described in 1996. Its specific epithet olivaresi honors Fr. Antonio Olivares to recognize his contributions to Colombian ornithology and his persisting effort in building a bird collection for the Instituto de Ciencias Natural of the Universidad Nacional de Colombia.<p>It is monotypic.
- 学名
- Chlorostilbon olivaresi
- 命名信息
- Stiles, 1996
- 目
- Apodiformes
- 科
- Trochilidae
- 属
- Chlorostilbon
分布与栖息地
The Chiribiquete emerald is restricted to the Serranía de Chiribiquete, a range of flat-topped mountains straddling south central Colombia's Guaviare and Caquetá departments. There it primarily inhabits the open scrub and savanna of the range's middle and upper elevations. It also occurs in the forest at somewhat lower elevations but shuns the lowlands that surround the mesas. In elevation it ranges between 800 and 1,600 m (2,600 and 5,200 ft).
- 迁徙
- Resident species
行为
The Chiribiquete emerald is believed to be sedentary.<p>The most important source of nectar for the Chiribiquete emerald is the low shrub Decagonocarpus cornutus. It takes nectar from the flowers of other shrubs and trees as well. It does not appear to defend feeding territories. It captures small insects by sallies through gaps in the vegetation and also gleans them from flowers and foliage.<p>The Chiribiquete emerald probably breeds during the dry season of December to May. Its nest has not been described and nothing else is known about its breeding phenology.<p>The Chiribiquete emerald's song has not been described. When foraging it gives "a sharp, dry, scratchy 'cht'" call.
保护状况
- 种群趋势
- unknown
照片
分布
鸟叫声
其他鸟类
Gray Monjita
Nengetus cinereus
Large flycatcher of grasslands and savannas, occasionally venturing into urban areas. Note the red eyes, white eyebrow, and black-and-white mustache. It has a white throat and belly, a gray breast and back, and a black tail. In flight shows a broad white wing band. Usually seen in pairs foraging on the ground or perching prominently on top of bushes, fences, or wires.
Great Spotted Cuckoo
Clamator glandarius
Distinctive, boldly patterned cuckoo with a spiffy crest and white-spotted wings. Adult has a gray crest and gray-brown back. Juveniles are even more contrasting, with a rusty wing panel and black crest and back. Typically restless, making short flights often and hopping on the ground with tail raised. A nest parasite of corvids (crows, jays, and relatives). Found in semiarid open woodland and dry savannas. Noisy, often giving "krree krree krree" calls.
Blue-throated Bee-eater
Merops viridis
A bright green insect hunter with a long bill and triangular starling-like wings. Adult has a bright blue throat, orange-brown crown and nape, and long trailing central tail feathers. Sexes are alike. Juveniles have a paler blue throat, no orange-brown coloration, and no long tail extensions. Often hunts from exposed perches such as telephone lines or snags, on which it rubs its venomous quarry so as to disarm it. Call is a bright, inflected “chileep.”
开始您的观鸟之旅
在户外识别鸟类，并在下一次观察时随手查阅鸟类图鉴。