Kukütjen
Kukütjen (Cuculidae) san det iansagst fögelfamile uun det order faan a Kukütjfögler (Cuculiformes). Diar jaft at sowat 140 slacher faan, an auer 50 slacher warep hör ai uun en frääm nääst.

Sköölen 
Cacomantis – Carpococcyx – Centropus – Cercococcyx – Ceuthmochares – Chrysococcyx – Clamator – Coccycua – Coccyzus – Coua – Crotophaga – Cuculus – Dasylophus – Dromococcyx – Eudynamys – Geococcyx – Guira – Hierococcyx – Microdynamis – Morococcyx – †Nannococcyx – Neomorphus – Pachycoccyx – Phaenicophaeus – Piaya – Rhamphococcyx – Rhinortha – Scythrops – Surniculus – Taccocua – Tapera – Urodynamis – Zanclostomus

Enkelt slacher 
 Cuculus
 Kukütj (Cuculus canorus)
 Geococcix
 Nuurdelk Räänkukütj (Geococcyx californianus)
 Süüdelk Räänkukütj (Geococcyx velox)

Luke uk diar 

Fögler