ɹ uɐp 
This elusive little fellow is a Prothonotary Warbler. They are named after yellow robes supposedly worn by particular high ranking religious figures.
Earlier today in Cape May, NJ
OttermarieThere is no happier yellow than that of this warbler. #birding #birds #conservation #neotropicalbirds #wintering #birdmigration #prothonotary #happywednesday