The bridled white-eye (Zosterops conspicillatus) (Chamorro name: nosa') is a species of bird in the Zosteropidae family.
It is endemic to the Mariana Islands, where it is today restricted to the islands of Tinian, Saipan and Aguijan in the Northern Mariana Islands. The populations remain abundant on all three islands. The species formerly occurred on the island of Guam, but that population is almost certainly now extinct due in large part to the invasive and non-native brown tree snake consuming both adults, nestlings, and eggs. The Rota subspecies Zosterops rotensis is listed as critically endangered with an estimated population of only 720 birds.