* حديثات الفك* الطيور التي لا تطير* Page On the classification of Paleognaths of Animal Diversity Web* Regional Cladogram of Paleognaths* Evolutionary Cladogram of Paleognaths* Spanish Page on Ratites* Info on How to Prepare Ratites as Food* Avibase* Introduction to the Palaeognathae* Oxford Journal on the Molecular Biology and Evolution of Aves* Paleognath Monophyly* Ornithology and Natural History* Avian Biotech* Palaeognathae on the Tree of Life Web Project* Page on Ratites as Livestock