Cuculus - Species Dictionary - Global : iSpot Nature - Your place to share nature. iSpot is a website aimed at helping anyone identify anything in nature. Once you've registered, you can add an observation to the website and suggest an identification yourself or see if anyone else can identify it for you.

Catalogue of Life
Animalia, Chordata, Aves, Cuculiformes, Cuculidae, Cuculus
Cuculus canorus, Cuculus saturatus, Cuculus fugax, Cuculus crassirostris, Cuculus sparverioides, Cuculus varius, Cuculus vagans, Cuculus solitarius, Cuculus clamosus, Cuculus micropterus, Cuculus gularis, Cuculus poliocephalus, Cuculus rochii, Cuculus pallidus, Cuculus nisicolor, Cuculus hyperythrus, Cuculus pectoralis, Cuculus lepidus, Cuculus optatus