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
Slender-billed cuckoo-dove was split into the following species: Slender-billed cuckoo-dove The slender-billed cuckoo-dove (formerly "Macropygia amboinensis") was until recently the name of a species of bird in the family Columbidae. Its range covered Brunei, Indonesia, Malaysia, Papua New Guinea and northern Australia. The binomial "M. amboinensis" now refers to the Amboyna cuckoo-dove. The taxonomy of the slender-billed cuckoo-dove was complex, but most authorities now split it into four species based on analyses of vocalizations. This will be further refined by future genetic analyses. In 2003 the ruddy cuckoo-dove ("Macropygia emiliana)" of Brunei, Indonesia, and Malaysia was split from the slender-billed cuckoo-dove (Dickinson,