The Yellow-crowned Whitestart is ENDEMIC from the Sierra Nevada de Santa Marta. He is conspicuous and confident. It spreads its tail as it jumps and flutters through the foliage in search of insects. Myioborus derives from the Greek muia = fly and boros = devourer. The epithet Flavivertex refers to the color of its crown and derives from the Latin roots flavus = yellow and vertex = crown.