Rough-legged Tyrannulet
Acrochordopus burmeisteri
Small flycatcher found in forest canopy. Confusingly similar to other tyrannulets, but note especially its stubby (not pointy) bill with a very pale base, which can be quite evident since you are often looking straight up at the bird. Voice is another good clue; it often gives sharp whistles, either alone or in a series. It also tends to be more sluggish, perches more vertically, and stays higher up in the trees than other similar tyrannulets. It has two separate populations, one in the Atlantic Forest region, and another along the east slope of the Andes in Argentina, Bolivia, and perhaps far southern Peru. Northward it is replaced by White-fronted Tyrannulet, which is now considered a separate species. The area of overlap is not well known. Rough-legged Tyrannulet is more uniformly colored, showing little or no gray in the crown.
分类信息
- 学名
- Acrochordopus burmeisteri
- 命名信息
- Cabanis & Heine, 1860
- 目
- Order Not Found (Unrecognized Latin Name)
- 科
- Not a recognized bird genus
- 属
- Acrochordopus
分布与栖息地
- 迁徙
- Resident species
保护状况
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类
Zanzibar Boubou
Laniarius sublacteus
A heavily built black-and-white bushshrike. The upperparts are cleanly black and the underparts are white with a pinkish tinge. Uses habitats with a dense understory, including riparian thickets, coastal scrub, forest, and gardens. Found in pairs, which usually skulk but sometimes hop about in the open. Similar to Tropical Boubou, but barely overlaps in range and lacks a white shoulder patch. Also similar to the smaller Black-backed Puffback, but separated by the lack of white on the upperparts. Has a diverse range of vocalizations, including a hollow rising whistle, up-and-down “laser gun” notes, rasps, and croaks, often delivered in a duet by a pair.
Green-headed Sunbird
Cyanomitra verticalis
Medium-sized sunbird in which males have an iridescent green head and breast, and females a green helmet. Depending on the light, these green areas can sometimes look blue. The pale yellow shoulder tufts are usually hidden. Found at low and middle elevations in lush woodland, gardens, and forest. Often in pairs, and sometimes in mixed-species flocks. Vocalizations include mewing and scolding calls, and a song that starts with hesitant notes but then breaks into a long trill. Male similar to male Blue-throated Brown Sunbird, but paler overall, with a larger area of iridescent green rather than blue on the head.
Great Rufous Woodcreeper
Xiphocolaptes major
Very large woodcreeper with a massive, robust bill. Plumage is rather uniformly cinnamon with some faint streaking on the breast. Note the black lores. Found in dry forest, woodland, and gallery forest. Sings a slightly descending series of double notes: “hick-up, hick-up, hick-up.” Other woodcreepers within its range are much smaller, with streaked or spotted plumage.
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