Cuco Varioloso (sepulcralis/everetti) Cacomantis sepulcralis

A medium-sized cuckoo, with a warm buff colored throat, chest, and belly. Gray eyering and heavily barred tail. Some females are quite different, a rich reddish brown with heavy black barring. Similar Plaintive Cuckoo is generally paler, with a contrasting gray hood. Most frequently encountered by its incessantly given song, an even series of high-pitched clear whistles that are slightly upslurred.