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
Sunda cuckoo Sunda cuckoo The Sunda cuckoo or Sunda lesser cuckoo ("Cuculus lepidus") is a South-east Asian bird belonging to the genus "Cuculus" in the cuckoo family, Cuculidae. It was formerly classified with the Himalayan cuckoo ("C. saturatus") and Oriental cuckoo ("C. optatus") in a single species, "C. saturatus", but is now often regarded as a separate species based on differences in voice, size and plumage. It is 29–30 cm long. The upperparts, throat and upper breast are dark grey. The rest of the underparts are buff with black bars. The tail is blackish with white spots. The female also occurs in