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
Fan-tailed cuckoo the population trend is downward, this is not at such a rate as to justify putting the bird in a more threatened category. Fan-tailed cuckoo The fan-tailed cuckoo ("Cacomantis flabelliformis") is a species of cuckoo in the family Cuculidae. It is found in Australia, Fiji, Indonesia, New Caledonia, New Zealand, Papua New Guinea, Solomon Islands, and Vanuatu. The fan-tailed cuckoo has a slate-grey head, back and wings, rufous underparts and barred black and white tail. Its eye is surrounded by a yellow orbital eye ring which helps to distinguish it from the smaller and paler brush cuckoo ("C. variolosus") and