Thamnornis

Thamnornis chloropetoides

Odd, warbler-like, long-tailed and long-billed tetraka. Madagascar endemic that is the only tetraka regularly found in spiny forest. Mostly skulks in the understory, but will sing from an open perch at the top of a tree. Song is a sputtering trill that is sometimes followed by a series of lower “chup” notes. Larger, longer-tailed, and longer-billed than jeries. More greenish than Subdesert Brush Warbler, with white tips to the tail, and without fuzzy breast streaks. 

识别特征

The thamnornis or thamnornis warbler (Thamnornis chloropetoides) is a species of Malagasy warbler in the family Bernieridae. It is endemic to Madagascar, where it is restricted to the spiny forest of the island's southwest. It is greyish above and whitish below, with narrow green fringes to the wing feathers and a marked supercilium. The outer tail-feathers have pale tips. Its natural habitats are subtropical or tropical dry forests and subtropical or tropical dry shrubland. It is usually seen near the ground, but sings from tall trees. It often associates in family groups or with Newtonias in mixed-species flocks. While not considered threatened, its population is inferred to be decreasing due to widespread deforestation across its range. A 2019 phylogenetic study found the Thamnornis to be the sister species of Rand's warbler.

分类信息

Genus: Thamnornis; Family: Bernieridae; Order: Passeriformes.

学名
Thamnornis chloropetoides
命名信息
(Grandidier, A, 1867)
Passeriformes
Bernieridae
Thamnornis

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

Cape White-eye

Cape White-eye

Zosterops virens

A small, active, mostly yellow-green warbler-like bird with an obvious white eye-ring. The two races have different breast and belly coloration: gray in the south and greenish in the north. Pairs are common in all habitats, where they form a strong component of mixed-species flocks. A sweet, rolling reedy warble that is disjointed and rambling is often the first sign that they are around. The Cape White-eye is similar to the Yellow White-eye, which has more lemon-colored underparts, and the Orange River White-eye, which has peach-colored flanks.

Tytler's Leaf Warbler

Tytler's Leaf Warbler

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Aztec Rail

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Large, chickenlike rail of fresh marshes in highlands. Heard more often than seen; its main call is a rhythmic dry chatter. No similar large rails in its range. Note the large size, rusty neck and breast, barred flanks, and long, mostly orange beak. Virginia Rail is much smaller, with blue-gray cheeks.

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