Ardeidae, cosmopolitan; including Cancroma, Neotropical, Balaeniceps, Scopidae, Ethiopian.
The fifth order (the third of the Dasypaedes) is formed by the Grallatores, divided into 2 " series " - (I) Altinares, consisting of 2 " cohorts," Herodii with I family, the herons, and Pelargi with 4 families, spoonbills, ibises, storks, and the umbre (Scopus), with Balaeniceps; (2) Humilinares, also consisting of 2 " cohorts," Limicolae with 2 families, sandpipers and snipes, stilts and avocets, and Cursores with 8 families, including plovers, bustards, cranes, rails, and all the other " waders."
The Balaeniceps rex, elsewhere rare, is found here in large numbers.