Whistlers & Allies
- Pachycephalidae
Bird family - Its composition in flux, Pachycephalidae includes Colluricincla, but excludes Oreoica (Oreoicidae), Rhagologus (Rhagologidae), Pitohui s.s. (Oriolidae) (Jønsson et al. 2008; Dumbacher 2008) and Hylocitrea, a bombycillid (Spellman et al. 2008). Falcunculus was a questionable member of Pachycephalidae (Zuccon & Ericson 2012), separated (9.2) to monotypic family Falcunculidae (H&M 4; HBW).