Long-billed White-eye as endangered bird of Nauru

Long-billed White-eye (Rukia longirostra) is a species of bird in the Zosteropidae family. It is endemic to the island of Pohnpei in the Federated States of Micronesia. Their natural habitats are subtropical and tropical moist forests, and plantations. This species is threatened by habitat loss.
The species has a curious nuthatch-like behavior of creeping along large tree limbs, and especially seems specialize in using its long slightly-decurved bill to extract insects from the severed ends of branches.