Yellow-billed Cuckoo (Coccyzus americanus) Science Article 3
Coccyzus comprises nine species of New World cuckoos (Aves: Cuculidae)that breed from southern Canada to central South America. The phylogeny of thisgenus was reconstructed using 2490 base pairs of the mitochondrial genes cytochromeoxidase II and III, and cytochrome b. Maximum likelihood, maximum parsimony,and Bayesian inference approaches produced similar topologies in whichCoccyzus, as currently classified, is polyphyletic.
Janice M. Hughes, Systematics and Biodiversity 4 (4): 483-488