Палауанская широкохвостка Horornis annae

A large dull-colored warbler with a long bright orange bill and orange legs. Olive-brown above, greenish or yellowish buff below. Shows a pale eyebrow with a dark eye-stripe and a brown crown. Found in dense undergrowth and vine tangles in forest. Song is a long, flute-like whistle slurred up or down, call a scolding chatter.