Black-billed Cuckoo (Coccyzus erythropthalmus) Science Article 3
abstract
Yellow-billed Cuckoos (Coccyzus americanus) and Black-billed Cuckoos (C. erythropthalmus), although nonparasitic, do from time to time lay their eggs in the nests of each other and of various passerines
VAL NOLAN, JR., Condor(77)3:341