Rheiformes
Videos
Rheiformes is an order that contains the family Rheidae. It is in the infraclass Paleognathae, which contains all ratites. Extant members are found in South America. While the IOC World Bird List and
Greater Rhea
Rhea americana qtl 2
Rhea pennata pennata
Struthio camelus Etosha 2014 white background
Palaeognathae
Videos
Palaeognathae is an infraclass of birds, called paleognaths or palaeognaths. It is one of the two infraclasses of birds, the other being Neognathae, both of which form Neornithes. Palaeognathae contai
Rheiformes
…Rheiformes is an order that contains the family Rheidae (rheas). It is in the infraclass Paleognathae, which contains all ratites. Extant members are found in South America. While the IOC World Bird List and the Clements Checklist categorise Rheiformes…
Palaeognathae Diversity
Pseudocrypturus cercanaxius fossil cast, Copenhagen Zoological Museum
Comparison of a kiwi, ostrich, and Dinornis, each with its egg