We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleMore taxa, more characters: the hoatzin problem is still unresolved.AuthorsSorenson MD; Oneal E; Garcia-Moreno J; Mindell DPPublicationMolecular biology and evolution, 2003, Vol 20, Issue 9, p1484ISSN0737-4038Publication typearticleDOI10.1093/molbev/msg157