Perlbrustkuckuck Coccyzus euleri

Brownish above and white below with a black upper bill and yellow lower bill. The tail is long and graduated with black centers and white tips as seen from below. An austral migrant that occurs in humid forests, gallery forests and secondary forests. The song is a slow series of “kuoup” notes. Very similar to Yellow-billed Cuckoo, but lacks the Yellow-billed Cuckoo’s rusty flight feathers.