Sulawesi Cuckoo (Cuculus crassirostris) [XC615479]
by Teus Luijendijk from Sulawesi; Lore Lindu NP, near Kamarora, at the edge of the park, Indonesia (song)
Sulawesi Cuckoo (Cuculus crassirostris) [XC68060]
by Teus Luijendijk from Sulawesi; Lore Lindu NP, just before the Anaso turning, Indonesia (song)
Subspecies
Often placed in genus Hierococcyx, along with other hawk-cuckoos, on grounds of notable morphological differences from Cuculus.