Bird namesEnglish/한국어Cuculiformes / CuculidaeOriental Cuckoo벙어리뻐꾸기Cuculus optatusRelated checklists17 Apr 2026보령--외연도(Boryeong--Oeyeon-do(island))↗22 Jun 2025根室市--明治公園 (Nemuro--Meiji Park)↗22 Jun 2025鶴居村--温根内ビジターセンター (Tsurui--Onnenai Visitor Center)↗31 May 2025대전--계족산(Daejeon--Gyejoksan(mountain))↗My observed locations© OpenStreetMap contributors