Cacomantis

Cacomantis is a genus of cuckoo in the Cuculidae family. The genus name is derived from the Greek kakos meaning evil or ill-boding and mantis for prophet and is derived from their association with "rains" being supposed to be predict ill fortune and bad weather. Most of them have a round nostril and are mainly in brown and gray colours. The tails are graduated and barred. The bars are transverse in sonneratii and oblique in all others.

It contains the following species:
 * Banded Bay Cuckoo, Cacomantis sonneratii
 * Plaintive Cuckoo, Cacomantis merulinus
 * Rusty-breasted Cuckoo, Cacomantis sepulcralis
 * Grey-bellied Cuckoo, Cacomantis passerinus
 * Brush Cuckoo, Cacomantis variolosus
 * Moluccan Cuckoo, Cacomantis heinrichi
 * Chestnut-breasted Cuckoo, Cacomantis castaneiventris
 * Fan-tailed Cuckoo, Cacomantis flabelliformis

The Pallid Cuckoo and White-crowned Cuckoo are also sometimes placed in this genus.