Range map of Rufous-winged Antwren (Herpsilochmus rufimarginatus)   H. r. exiguus and H. r. frater (or H. frater)   H. r. scapularis and H. r. rufimarginatus (or H. rufimarginatus)
Adapted from : 

https://ebird.org
https://birdsoftheworld.org
Cephas