| Northern Riverbank Warbler Myiothlypis mesoleuca (aka River Warbler; Basileuterus rivularis, Phaeothlypis rivularis) Brazilian name: pula-pula-ribeirinho |
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Brazil
The Northern Riverbank Warbler is found along rivers and streams in forests where it forages on or close to the ground hopping rather than walking. It is distributed in eastern Venezuela, the Guianas and the eastern and southern parts of the Amazon Basin with a disjunct population in Bolivia. See the distribution map at Birdlife International. |
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It is distinguished from Southern Riverbank Warbler M. rivularis by the absence of lateral crown stripes, the ochre rather than white supercilium, the whiter flanks and the faster ending song. See the HBW and Birdlife International checklist. | |||
| Sick mentions the relatively low frequency voice of the Riverbank Warblers compared to other wood-warblers who inhabit the forest canopy. These lower frequencies allow their voices to better penetrate the dense vegetation and compete with the noise of running water. | ||||
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