Diederik cuckoo either "cuprea" (coppery) or "capensis" (of Cape of Good Hope). The English name is an onomatopoeic rendition of its call. Diederik cuckoo The Diederik cuckoo ("Chrysococcyx caprius"), formerly dideric cuckoo or didric cuckoo, and sometimes called Diederik's cuckoo, is a member of the cuckoo order of birds, the Cuculiformes, which also includes the roadrunners and the anis. The diederik cuckoo is a smallish cuckoo at 18 to 20 cm. Adult males are glossy green above with copper-sheened areas on the back and whitish underparts. They have a broken white eye-stripe and a short, green malar stripe. All remiges have three
Scaled ground cuckoo head, greenish-brown crest and a curved beak. The upper parts are dark brown, the tail blackish and the underparts pale tan. It has been claimed that it easily can be separated from the rufous-vented ground cuckoo by the lack of a dark chest band, but the variation in this feature in Amazonian rufous-vented ground cuckoos makes the features questionable. As a consequence, recent authorities commonly treat the scaled ground cuckoo as a subspecies of the rufous-vented ground cuckoo. The scaled ground cuckoo is a shy, secretive bird and is seldom seen. Its call is not known, but like other ground