Common cuckoo
(tree size 5)
European cuckoo
Lesser cuckoo
(tree size 1)
Cuculus poliocephalus
Madagascar cuckoo
Madagascar lesser cuckoo
Red-chested cuckoo
Cuculus solitarius
Sulawesi cuckoo
Sulawesi hawk-cuckoo
Indian cuckoo
(tree size 2)
Cuculus micropterus
Black cuckoo
(tree size 2)
Cuculus clamosus
Himalayan cuckoo
(tree size 1)
Cuculus saturatus
Sunda cuckoo
Sunda lesser cuckoo
Oriental cuckoo
Cuculus optatus
African cuckoo
African grey cuckoo
Cuculus sonneratii
Cuculus niger
Cuculus nisicolor
Cuculus hyperythrus
Cuculus curvirostris
Pallid cuckoo
(tree size 1)
Cuculus pallidus
Cuculus basalis
Cuculus lucidus
Cuculus sp.
Cuculus albostrigatus
Cuculus assimilis
Cuculus aurantiirostris
Cuculus cineraceus
Cuculus cyanocephalus
Cuculus flabelliformis
Cuculus incertus
Cuculus inornatus
Cuculus jacksoni
Cuculus kelungensis
Cuculus lugubris
Cuculus megarhynchus
Cuculus metallicus
Cuculus monosyllabicus
Cuculus palliolatus
Cuculus phasianinus
Cuculus plagosus
Cuculus pravata
Cuculus splendidus
Cuculus strenuus
Cuculus variolosus
Cuculus xanthorhynchus
Cuculus leucolophus
Cuculus aereus
Cuculus auratus
Cuculus minor
Cuculus bengalensis
Cuculus longirostris
Cuculus pyrrhocephalus
Cuculus tenebrosus
Cuculus toulou
Cuculus vagans
Cuculus taitensis
Cuculus caprius
Cuculus gigas
Cuculus guira
Cuculus melanogaster
Cuculus merulinus
Cuculus sparverioides
Cuculus varius