Geelvink Imperial-Pigeon Ducula geelvinkiana

A large, stocky pigeon of islands in Geelvink Bay, West Papua. Gray head, yellow eye, emerald-green back and wings, blue tail and rusty vent. Found in lowland rainforest, and some wander between islands, rarely even to the mainland. Voice a deep, gravelly, 2-note “grrr-waw”, with the second note higher than the first. Distinctive within its small range.