Бурая белоглазка Zosterops brunneus

In the field, appears overall chocolate-brown with a slightly long blue-gray bill and blue-gray legs. Plumage is paler on the flanks and vent and darker near the face. Endemic to the island of Bioko, where it is found almost exclusively in the alpine zone at the top of Pico Basilé. Calls include rapid, short “peeps” and “siks” as well as longer churring notes.