French: Myrmidon plombé German: Várzeaameisenschlüpfer Spanish: Hormiguerito plomizo
Rio Amajaú, Rio Negro, Brazil
Subspecies and Distribution
M. a. assimilis
Pelzeln, 1868 – rivers of W & C Amazonia in Peru (E from lower R Marañón), Brazil (E to Amazonas–Pará border, including R Solimões, R Madeira and lower portions of R Negro, R Juruá and R Purus) and N Bolivia (lower R Beni and R Guaporé).
M. a. transamazonica
Gyldenstolpe, 1951 – R Amazon in extreme W Pará (E to mouth of R Tapajós).
9–10 cm; 8·5–9·5 g. Male is grey, paler below; large white interscapular patch; wing-coverts slightly darker grey, narrowly edged white, tail rather narrowly... read more
Loudsong a trill of extremely rapidly delivered notes (e.g. 55 notes, 3·5 seconds),... read more
Understorey and mid-storey of lowland evergreen forest and adjacent scrub at river edges. Occurs in... read more
Food and feeding
Little published. Feeds on various insects, particularly orthopterans and adult and larval lepidopterans; probably also on spiders. Clips... read more
Nothing known. Adult male seen to feed begging juvenile on 11th Oct in Brazil (Anavilhanas Archipelago, on R Negro).
None recorded; presumed resident throughout range.
Status and conservation
Not globally threatened. Fairly common but patchily distributed throughout its narrow, somewhat linear range, which extends along much of R Amazon and portions of its major... read more
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