Native
Introduced
Reintroduced
Vagrant
Native (uncertain presence)
Regionally extinct vagrant
Regionally extinct
Synonyms : 关岛阔嘴鹟 (cn), muchálek guamský (cz), Guammonarch (de), Guammonark (dk), Guam Flycatcher (en), Monarca de Guam (es), Pigliamosche di Guam (it), マリアナヒラハシ (jp), Guammonarch (nl), Guammonark (no), muszarka rdzawopierśna (pl), Гуамская миагра (ru), Guamflugsnappare (se), monarch guamský (sl)
Guam Flycatcher