Yellow-olive Flatbill

Vocalizations

Subspecies (16)

• Tolmomyias sulphurescens aequatorialis

  western Ecuador and northwestern Peru (Tumbes and Piura)

• Tolmomyias sulphurescens asemus

  western Colombia (Cauca and Magdalena valleys)

• Tolmomyias sulphurescens berlepschi

  Trinidad

• Tolmomyias sulphurescens cherriei

  southern Venezuela to the Guianas and northern Amazonian Brazil (upper Rio Branco and Amapá)

• Tolmomyias sulphurescens cinereiceps

  tropical southern Mexico (Oaxaca) to Costa Rica

• Tolmomyias sulphurescens confusus

  eastern Andes of Colombia to southwestern Venezuela and northeastern Ecuador

• Tolmomyias sulphurescens duidae

  tepuis of southeastern Venezuela and adjacent northwestern Brazil (northern Amazonas perhaps to western Pará)

• Tolmomyias sulphurescens exortivus

  Santa Marta region of northern Colombia to northern Venezuela

• Tolmomyias sulphurescens flavoolivaceus

  Panama (westward to Chiriquí on the Pacific slope, and to Colón on the Caribbean slope) and northwestern Colombia (eastward to southwestern Bolívar)

• Tolmomyias sulphurescens grisescens

  Paraguay and northern Argentina (eastern Chaco, Formosa, and northern Santa Fe)

• Tolmomyias sulphurescens inornatus

  subtropical southeastern Peru (northern Puno)

• Tolmomyias sulphurescens insignis

  northeastern Peru (Loreto) and adjacent western Amazonian Brazil (south of Amazon River, from Rio Juruá eastward to Rio Jamundá and Rio Madeira; north of Amazon River, from lower Rio Negro to Rio Nhamundá)

• Tolmomyias sulphurescens mixtus

  northeastern Brazil (eastern Pará to northwestern Maranhão)

• Tolmomyias sulphurescens pallescens

  eastern Brazil (Minas Gerais) to northern Bolivia and northern Argentina

• Tolmomyias sulphurescens peruvianus

  southeastern Ecuador (Loja) and northern Peru (southward to Junín)

• Tolmomyias sulphurescens sulphurescens

  southeastern Brazil to eastern Paraguay and northeastern Argentina