Pelecaniformes

This order comprises three families, Pelecanidae (pelicans), Scopidae (Hamerkop), and Balaenicipitidae (Shoebill).

Timetree of Pelecaniformes, with

 

Great White Pelican (Pelecanus onocrotalus).

Dalmatian Pelican (Pelecanus crispus).

Hammerhead (Scopus umbretta) (Foto: Mary Yalda)

Shoebill (Balaeniceps rex) waiting motionlessly in swamps for fish, lungfish and other prey.

Hammerhead (Scopus umbretta) (Foto: Carolin Pfeiffer).


References

Birchard, G.F., M. Ruta, and D.C. Deeming (2013), Evolution of parental incubation behaviour in dinosaurs cannot be inferred from clutch mass in birds, Biol. Lett. 9 (4). (pdf)