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
Guira cuckoo Guira cuckoo The guira cuckoo ("Guira guira") is a gregarious bird found widely in open and semi-open habitats of eastern and southern Brazil, Uruguay, Paraguay, Bolivia, and northeastern Argentina. One of only four species within the subfamily Crotophaginae of the cuckoo family Cuculidae, "G. guira" is also the only species within the genus Guira. It is a rather scruffy-looking bird, with a total length of approximately . The sexes are very similar in appearance, except that the female is slightly larger than the male. Juveniles appear quite similar to adults. The species has dark brown upperparts streaked with white, and