Althouth this is not a great image, I liked it because it shows a distinct hooked bill - much like a vireo.
First spotted a brighter male on 11 March; not sure if this one is a young male or female.
Best viewed in 'original' size.
Nikon D800
,AF-S Nikkor ED 500mm 1:4 D with TC-14E II 1.4x 1/320s f/10.0 at 1050mm iso640
DX Image Cropped 7x5" Landscape Reduced to 220 ppi for Internet Viewing
full exif