green-backed honeyeater Glycichaera fallax

Tiny honeyeater found in wetter forests in New Guinea and northern Cape York. Mostly plain olive-green above, yellow below; adult has pale eye and eyering (juvenile has dark eye) and pale blue-gray legs. Compare Fairy Gerygone (with dark eye, shorter black bill). Usually observed feeding in the leafy canopy alone or in small parties. Calls include a repeated "pee pee pee pee pee."