Polioptilidae
Curruca del Rio negro/Rio Negro Gnatcatcher/Polioptila facilis
Curruca Collareja/Collared Gnatwren/Microbates collaris
Curruca Rubicunda/Half-collared Gnatwren/Microbates cinereiventris
Curruca Pizarra/Slate-throated Gnatcatcher/Polioptila schistaceigula
Curruca Picuda/Long-billed Gnatwren/Ramphocaenus melanurus
