Papuan White-eye (Zosterops novaeguineae)

tiny birds in a flock of a couple dozen; feeding on overripe, berry-like fruits of ornamental trees; call a fairly loud and burry, descending 'dreer', louder when the birds were moving and much softer as they fed peacefully in a tree; entire upperparts (including lores) olive-yellow; bold white eyering; clear yellow undertail coverts and throat; pale gray belly