Query: what are Paleognathae that are not Flightless birds
Domain: animals
Relevant documents:
Dwarf cassowary
Remiornis
Novaeratitae
Crypturellus
Paracathartes
Lithornis
Tinamou
Fissuravis
Limenavis
Dwarf tinamou
Nothurinae
Palaeognathae
Tinaminae
Lithornithidae
Calciavis
Northern cassowary
Notopalaeognathae