Neoaves is a clade that consists of all modern birds with the exception of Palaeognathae and Galloanserae. Almost 95% of the roughly 10,000 known species of extant birds belong to the Neoaves.
Image: Podiceps cristatus 2 Lake Dulverton
Image: House sparrow David Raju (2)
Image: Spot billed pelican takeoff white background
The Gruiformes are an order containing a considerable number of living and extinct bird families, with a widespread geographical diversity. Gruiform means "crane-like".
Gruiformes
Rails are one of the most widespread Gruiformes