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Torrent tyrannulet
The torrent tyrannulet (''Serpophaga cinerea'') is a small bird of the tyrant flycatcher family. It breeds from Costa Rica south to northern Bolivia and northwestern Venezuela.
==Habitat==
The torrent tyrannulet is a bird of rocky mountain streams at elevations from 300 to 2200 m, although it is less common at the lower altitudes where the water currents are weaker. There is a nesting record from Costa Rica as low as 35 m, possibly as a result of displacement of birds by hydroelectric work higher up the Sarapiquí River.
Its substantial cup nest is built on a branch up to 4 m high over water, or on a rocky shore. It is lined with feathers and covered with moss on the outside, and the clutch is two unmarked pale buff or whitish eggs.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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