Square-tailed Drongo-Cuckoo
SPSquare-tailed Drongo-Cuckoo (Surniculus lugubris), known in Korean as 검은두견이 has eligible documented records in 0 of South Korea's 17 first-level administrative regions in the current KoreAves evidence projection. The current supporting record sources are EcoBank. These records document evidence coverage; regions without eligible records are not interpreted as biological absence, and the counts are not population or abundance estimates.