The Plain White-eye is a small bird recorded in forests and open grassy places on Yap. A 1977 field account described dull gray-white plumage with a pale yellow wash below, small flocks, and feeding in both the canopy and short grass.
The Yap birds in the field account had dull gray-white plumage with a pale yellow wash below. Their irises were described as white to yellow-white.
On Yap, groups of about five to ten were recorded. They used the canopy but also came near the ground to feed in short grass. One nest was recorded at a forest edge.
An extinction-risk assessment has not been added yet.