Otidiformes
Bird order - Move bustards (Otididae) from the Gruiformes to their own order, the Otidiformes, related to turacos (Musophagiformes) and cuckoos (Cuculiformes) (Hackett et al. 2008; Jarvis et al. 2014; Prum et al. 2015). Linear sequence requires revision (Pitra et al. 2002; Broders et al. 2003)..