Cundinamarca Antpitta
Grallaria kaestneri
A rather plain antpitta known only from a small area of Colombia’s eastern Andes, southeast of Bogotá. Plumage is dull brown with small white streaks on the underparts, a slightly paler belly, and a faint eyering. Distinguished from Tawny Antpitta by its much darker plumage, streaked (not scaled) underparts, and habitat preferences. Inhabits cloud forest understory, and mostly stays on the ground, though may come up to a low perch to sing. Song is three short whistles that ascend slightly in pitch.
识别特征
Overall the Cundinamarca antpitta is a dull olive-brown bird with white streaking on the underparts. The feathers of the bird’s back are an olive-brown that are fringed with a thin band of sooty-black, giving the bird the appearance of possessing very faint barring. This fringe vanishes from the rump and uppertail coverts, and the antpitta’s tail is slightly darker than its back. The wings are a richer brown than the rest of the upperparts, while the underwing is a buffy cinnamon. The underparts are mostly olive-brown fading to a dull white on the bird’s belly. The sides and flanks are covered with dull white streaking. The face and throat are a dull olive and slightly mottled, and the bird has pale streaking behind the ears. The Cundinamarca antpitta measures about 15 to 16 cm (6 to 6 in) long. The sexes are similar in appearance.<p>While no similar antpittas have been found to share the Cundinamarca antpitta’s habitat, making it unlikely to be confused with another species, it is distinguished from the similar Santa Marta antpitta by being darker overall and by range.<p>The Cundinamarca antpitta’s song is brief at roughly one second in length and is high-pitched for a member of its genus; it has been described as a “whir, whee-whee.” This song most frequently is composed of three whistled notes that increase in pitch, with a slight pause after the first note; sometimes, the final note is left unsung. The bird’s call is a two-note whistle with the first note piercing and at a higher frequency than the second.
分类信息
The Cundinamarca antpitta was first discovered by Peter Kaestner, an American diplomat and amateur ornithologist who later became the first birder to see 10,000 bird species anywhere in the world. The genus name Grallaria is from the Neo-Latin grallarius, meaning "stilt-walker". The specific name kaestneri is in reference to the bird's discoverer, Peter Kaestner. The Cundinamarca Antpitta's common name refers to the Cundinamarca Department, within which the entire population of the species is believed to reside.<p>When first described, the Cundinamarca antpitta was believed to be most closely related to the Santa Marta antpitta; however, it has since been suggested to be more closely related to the brown-banded antpitta and Urrao antpitta, due in part to details of the immature's plumage. The Cundinamarca antpitta has no known subspecies.
- 学名
- Grallaria kaestneri
- 命名信息
- Stiles, 1992
- 目
- Passeriformes
- 科
- Grallariidae
- 属
- Grallaria
分布与栖息地
- 迁徙
- Resident species
行为
Migration pattern: Resident species.
保护状况
Population trend: declining.
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类
Terek Sandpiper
Xenus cinereus
Unique smallish wader with stumpy bright orange legs and a noticeably upturned bill. Plumage gray overall with white belly, but in flight shows conspicuous white trailing edge to wings. Breeds in valley floodplains in tundra and taiga. In the non-breeding season, occurs singly or in flocks in varied wetland habitats, from fresh marshes to tidal mudflats, and often apart from other shorebirds. Feeds by dashing after insects and also by probing bill in mud, like a mini-godwit.
Crow-billed Drongo
Dicrurus annectens
Large dark drongo of open forested environments. Glossy black with a characteristically forked tail. Immature speckled with grayish-white on lower breast and belly. Thick dark bill gives a generally heavier-headed appearance than other similar dark drongos such as Black Drongo, with which it shares parts of its range; also prefers more forested environments than the latter. Aggressive and territorial, particularly during the breeding season, frequently mobbing raptors and corvids with great vigor. Like other drongos, boasts a varied repertoire; songs include a ringing “tsee-goo-gohgee!” Calls include bell-like gurgling notes, harsh chattering, and piercing whistles.
Fire-bellied Woodpecker
Chloropicus pyrrhogaster
A large, long-billed woodpecker with an olive back, a red rump, a bold facial pattern, and heavily marked underparts with a bright red central belly stripe. The crown and back of the head are black in the female and red in males. Forages alone or in pairs, preferring dead tree trunks where it can excavate for beetle larvae and other insects in lowland rainforest, gallery forest, and plantations. Calls include a sharp “kwip,” a series of similar notes, and a fast whinnying call. Also gives a distinctive drum that lasts about 2 seconds, beginning fast and then slowing. Similar to Bearded and Yellow-crested Woodpeckers, but there is very little overlap in range, and those species lack the red belly patch.
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