Unicolored Thrush
Turdus haplochrous
Drab thrush endemic to floodplain forest of the Río Mamoré and tributaries surrounded by the flooded Moxos grasslands in El Beni, central Bolivia. From similar Hauxwell’s and Black-billed Thrushes by dull olive bill, exposed yellowish orbital skin, and relatively plain throat. Difficult to see, mainly because most of its habitat is tough to access. Song low, full whistles, 5-6 notes with little variation. Calls short full notes, or longer nasal calls.
分类信息
- 学名
- Turdus haplochrous
- 命名信息
- Todd, 1931
- 目
- Passeriformes
- 科
- Turdidae
- 属
- Turdus
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

Spectacled Tetraka
Xanthomixis zosterops
Medium-sized, dull-olive tetraka, with a pale “spectacle” around the eye. Madagascar endemic that is found in the understory of rainforest. Often joins mixed flocks with tetrakas and other birds. Call is a series of silvery, sputtered “spit” notes. Separated from other tetrakas by its bold spectacles. Some birds in the northeast are dark, similar to the very rare Dusky Tetraka, but they can be separated by their brighter spectacles, paler underparts, and longer tail.

Sykes's Nightjar
Caprimulgus mahrattensis
A small, pale gray nightjar with a short tail. Note the fine black barring on the tail, small black spots on the upperparts, weak rust-colored collar, and relatively faint rust-colored spots on the wings. In flight, note the white patch extending across the first three flight feathers and the white edges to the tail. Nocturnal. Inhabits dry and arid scrub and grasslands.

Boat-billed Flycatcher
Megarynchus pitangua
Large striking flycatcher of tropical and subtropical forest and woodland; also in semi-open areas with taller trees. Perches mainly at mid-upper levels, often in the canopy. Fairly common in most areas, but uncommon and local in West Mexico. Told from widespread Great Kiskadee, which prefers more open and less wooded habitats, by dull olive upperparts (lacking the bright rusty wings and tail of kiskadee) and stouter bill, with a more strongly arched ridge along the top. The two species sound quite different.
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