This aberrant Orchard Oriole Icterus spurius was at Packery Channel, Nueces county, Texas on April 19, 2015. In life it appeared to be a gray and off-white bird, somewhat like a Gray Vireo in color - but for a fleeting couple of seconds it reminded me of Upcher's Warbler! (CLICK HERE TO SEE ONE). From the photos it appears that there is a wash of yellowish-cream on the throat and vent:
