NOTES by Alberto Masi
Henicorhina: Wood-Wrens. 9-10 cm. Small, short-tailed; rufous-brown above, paler below with rusty flanks, crissum, tail; wings and tail barred black; cheeks streaked black and white; black ocular stripe, white superciliary. H. leucoptera has two white wing bars and black coverts.
Henicorhina leucosticta WHITE-BREASTED WOOD-WREN. Humid forest undergrowth. Lowlands to 1800 m from e San Luis Potosí, Hidalgo and n Veracruz s on Gulf-Caribbean slope, incl. Yucatán Pen., locally on Pacific slope in Chiapas and Guatemala, to Nicaragua, both slopes of Costa Rica (exc. dry nw) and Panama, and from w,n,se Colombia, s Venezuela and Guyana s, w of the Andes to nw Ecuador to Pichincha, and e slope of Andes s through e Ecuador to c Peru and n Brazil.
H. leucosticta and leucophrys replace one another altitudinally, but they overlap and remain distinct. H. leucosticta may include more than one species.
Henicorhina leucophrys GREY-BREASTED WOOD-WREN. Humid forest undergrowth, often near fallen trees, edge, thickets. Foothills and mts., 500-3600 m from sw Jalisco, Michoacán, e San Luis Potosí, Hidalgo, Puebla and c Veracruz s through Oaxaca, Chiapas and Guatemala to El Salvador and Honduras; Costa Rica, Panama, and from Colombia and w,n Venezuela s through the Andes on w slope to w Ecuador and e slope through e Ecuador and e Peru to c Bolivia.
Henicorhina leucoptera BAR-WINGED WOOD-WREN. Humid mossy undergrowth of soil-poor forest. Known only from the Andes, 1350-2450 m of s Ecuador and n Peru in n Cajamarca, San Martín and e La Libertad. Sympatric with H. leucophrys.