Cavitaves

Cavitaves is a clade that contain the order Leptosomiformes (cuckoo roller) and the clade Eucavitaves (a large assemblage of birds that includes woodpeckers, kingfishers and trogons).[1][2][3][4][5][6] The name refers to the fact that the majority of them nest in cavities.

Cavitaves	Leptosomiformes (cuckoo roller)   Eucavitaves   Trogoniformes (trogons)   Picocoraciae   Bucerotiformes (hornbills and hoopoes)   Picodynastornithes   Coraciiformes (rollers and kingfishers)     Piciformes (woodpeckers and toucans)

Cavitaves
Rufous-necked hornbill, Aceros nipalensis at nesting cavity
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Clade:	Coraciimorphae
Clade:	Cavitaves Ericson, 2012
Clades
Leptosomiformes Eucavitaves

References

1. Hackett, S.J.; et al. (2008). "A Phylogenomic Study of Birds Reveals Their Evolutionary History". Science. 320 (5884): 1763–8. doi:10.1126/science.1157704. PMID 18583609. S2CID 6472805.
2. Ericson, P.G. (2012). "Evolution of terrestrial birds in three continents: biogeography and parallel radiations" (PDF). Journal of Biogeography. 39 (5): 813–824. doi:10.1111/j.1365-2699.2011.02650.x.
3. Naish, D. (2012). "Birds." Pp. 379-423 in Brett-Surman, M.K., Holtz, T.R., and Farlow, J. O. (eds.), The Complete Dinosaur (Second Edition). Indiana University Press (Bloomington & Indianapolis).
4. Yuri, T (2013). "Parsimony and model-based analyses of indels in avian nuclear genes reveal congruent and incongruent phylogenetic signals". Biology. 2 (1): 419–44. doi:10.3390/biology2010419. PMC 4009869. PMID 24832669.
5. Kimball, R.T. et al. (2013) Identifying localized biases in large datasets: A case study using the Avian Tree of Life. Mol Phylogenet Evol. doi:10.1016/j.ympev.2013.05.029
6. Jarvis, E. D.; Mirarab, S.; Aberer, A. J.; et al. (2014). "Whole-genome analyses resolve early branches in the tree of life of modern birds". Science. 346 (6215): 1320–1331. doi:10.1126/science.1253451. PMC 4405904. PMID 25504713.