Helmeted Pygmy-Tyrant
Lophotriccus galeatus
Tiny flycatcher; common and widespread, but heard far more often than seen. When seen well, note pale eye and elongated crown feathers, giving this bird a hammer-headed appearance. Found in humid forest understory and second-growth as well as in savanna woodland. Frequently found near gaps and vine tangles where it sits quietly, then sallies upward to glean insects from leaves. Song is an irregular series of ticking notes that sometimes runs into a trill, often given for long periods throughout the day. Similar to Double-banded Pygmy-Tyrant, but vocalizations are less buzzy.
识别特征
The helmeted pygmy tyrant (Lophotriccus galeatus) is a species of bird in the family Tyrannidae, the tyrant flycatchers. It is found in Brazil, Colombia, French Guiana, Guyana, Peru, Suriname, and Venezuela.
分类信息
The helmeted pygmy tyrant was described by the French polymath Georges-Louis Leclerc, Comte de Buffon in 1780 in his Histoire Naturelle des Oiseaux from a sample collected in Cayenne, French Guiana. The bird was also illustrated in a hand-coloured plate engraved by François-Nicolas Martinet in the Planches Enluminées D'Histoire Naturelle which was produced under the supervision of Edme-Louis Daubenton to accompany Buffon's text. Neither the plate caption nor Buffon's description included a scientific name but in 1783 the Dutch naturalist Pieter Boddaert coined the binomial name Montacilla galeata in his catalogue of the Planches Enluminées. The helmeted pygmy tyrant is now placed in the genus Lophotriccus that was introduced by the German ornithologist Hans von Berlepsch in 1883. The species is monotypic. The genus name combines the Ancient Greek lophos meaning "crest" with trikkos which is an unidentified small bird. In ornithology triccus is used to denote a tyrant flycatcher. The specific name galeatus is Latin for "helmeted".
- 学名
- Lophotriccus galeatus
- 命名信息
- (Boddaert, 1783)
- 目
- Passeriformes
- 科
- Tyrannidae
- 属
- Lophotriccus
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
Russet-tailed Thrush
Zoothera heinei
Large thrush, adult rich brown marbled with dark marks above, pale with black scaly marks below. Larger Bassian Thrush has smaller-appearing bill, is more contrastingly marked above. In flight, Russet-tailed shows white in tail corners, absent in Bassian. The smaller wingbar has more prominent pale tips in adult Russet-tailed than Bassian. Inhabits wet forests, where it forages in leaf litter. Song a distinctive, thin “whee-doo,” falling in pitch, very unlike Bassian.
Yellowish-bellied Bush Warbler
Horornis acanthizoides
Small, shy songbird of higher-elevation thick edges and secondary growth. Similar to Brownish-flanked Bush Warbler but with a paler, much more contrasting supercilium, a yellowish suffusion to the underparts, and a different song: male repeats a high thin note over and over, ascending to an extreme climax, before giving a shorter, less intense series of trilling, descending notes. Endemic Taiwan subspecies (concolor) sometimes considered a full species.
Marbled Wren-Babbler
Turdinus marmoratus
Large chunky babbler the size of a thrush. Dark brown above with bright white throat, coffee-colored cheeks, and black-and-white-scaled underparts. Gives a long airy whistle followed by a nasal buzzy note: “whee-chzzzz”. Forages near or on the ground in foothill and montane forests. Extremely shy and retiring, seldom seen well.
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