ML117043551

觀察細節

Continuing. Seen briefly, but clearly in the same area of alders as it has been reported throughout the weekend. Striking white breast with pale underparts with a faint yellowish wash along the sides and near the vent. Crown was gray with a dark gray border near the bold supercilium. Bold, dark eyeline from the base of the bill through the eye to the nape. Upperparts olive. Bill dark and large. No wingbars, Separated from other plain Vireos by distinctive head pattern with dark border to the gray crown, bold supercilium and eyeline and heavy, dark bill.