Matches in DBpedia 2014 for { ?s ?p <http://dbpedia.org/resource/Category:Extinct_flightless_birds> . }
- Adzebill subject Category:Extinct_flightless_birds.
- Andalgalornis subject Category:Extinct_flightless_birds.
- Andrewsornis subject Category:Extinct_flightless_birds.
- Anthropodyptes subject Category:Extinct_flightless_birds.
- Aptenodytes_ridgeni subject Category:Extinct_flightless_birds.
- Arabian_Ostrich subject Category:Extinct_flightless_birds.
- Archaeospheniscus subject Category:Extinct_flightless_birds.
- Archaeospheniscus_lopdelli subject Category:Extinct_flightless_birds.
- Archaeospheniscus_lowei subject Category:Extinct_flightless_birds.
- Archaeospheniscus_wimani subject Category:Extinct_flightless_birds.
- Ascension_Crake subject Category:Extinct_flightless_birds.
- Ascension_Night_Heron subject Category:Extinct_flightless_birds.
- Asiahesperornis subject Category:Extinct_flightless_birds.
- Asian_Ostrich subject Category:Extinct_flightless_birds.
- Atitlán_Grebe subject Category:Extinct_flightless_birds.
- Baptornis subject Category:Extinct_flightless_birds.
- Barawertornis subject Category:Extinct_flightless_birds.
- Bermuda_Flightless_Duck subject Category:Extinct_flightless_birds.
- Broad-billed_Moa subject Category:Extinct_flightless_birds.
- Broad-billed_Parrot subject Category:Extinct_flightless_birds.
- Brodavis subject Category:Extinct_flightless_birds.
- Bullockornis subject Category:Extinct_flightless_birds.
- Bush_Moa subject Category:Extinct_flightless_birds.
- Canadaga subject Category:Extinct_flightless_birds.
- Chatham_Duck subject Category:Extinct_flightless_birds.
- Chatham_Penguin subject Category:Extinct_flightless_birds.
- Chendytes subject Category:Extinct_flightless_birds.
- Crested_Moa subject Category:Extinct_flightless_birds.
- Cuban_Flightless_Crane subject Category:Extinct_flightless_birds.
- Devincenzia subject Category:Extinct_flightless_birds.
- Dodo subject Category:Extinct_flightless_birds.
- Dromornis subject Category:Extinct_flightless_birds.
- Dromornithidae subject Category:Extinct_flightless_birds.
- Eastern_Moa subject Category:Extinct_flightless_birds.
- Eleutherornis subject Category:Extinct_flightless_birds.
- Emuarius subject Category:Extinct_flightless_birds.
- Finsch's_Duck subject Category:Extinct_flightless_birds.
- Gastornithidae subject Category:Extinct_flightless_birds.
- Genyornis subject Category:Extinct_flightless_birds.
- Great_Auk subject Category:Extinct_flightless_birds.
- Great_Maui_Crake subject Category:Extinct_flightless_birds.
- Great_O‘ahu_Crake subject Category:Extinct_flightless_birds.
- Hawaiian_Rail subject Category:Extinct_flightless_birds.
- Hawkins's_Rail subject Category:Extinct_flightless_birds.
- Heavy-footed_Moa subject Category:Extinct_flightless_birds.
- Hesperornis subject Category:Extinct_flightless_birds.
- Hesperornithes subject Category:Extinct_flightless_birds.
- Hunter_Island_Penguin subject Category:Extinct_flightless_birds.
- Icadyptes_salasi subject Category:Extinct_flightless_birds.
- Ilbandornis subject Category:Extinct_flightless_birds.
- Inguza subject Category:Extinct_flightless_birds.
- Inkayacu subject Category:Extinct_flightless_birds.
- Jamaican_Caracara subject Category:Extinct_flightless_birds.
- Jamaican_Ibis subject Category:Extinct_flightless_birds.
- Judinornis subject Category:Extinct_flightless_birds.
- Kaiika subject Category:Extinct_flightless_birds.
- Kairuku subject Category:Extinct_flightless_birds.
- Kairuku_grebneffi subject Category:Extinct_flightless_birds.
- Kangaroo_Island_Emu subject Category:Extinct_flightless_birds.
- Kaua'i_Mole_Duck subject Category:Extinct_flightless_birds.
- Kelenken subject Category:Extinct_flightless_birds.
- King_Island_Emu subject Category:Extinct_flightless_birds.
- Kosrae_Crake subject Category:Extinct_flightless_birds.
- Lavocatavis subject Category:Extinct_flightless_birds.
- Laysan_Rail subject Category:Extinct_flightless_birds.
- Leptoptilos_robustus subject Category:Extinct_flightless_birds.
- Long-billed_Wren_(New_Zealand) subject Category:Extinct_flightless_birds.
- Long-legged_Bunting subject Category:Extinct_flightless_birds.
- Lord_Howe_Swamphen subject Category:Extinct_flightless_birds.
- Mancallinae subject Category:Extinct_flightless_birds.
- Mangaia_Crake subject Category:Extinct_flightless_birds.
- Mangaia_Rail subject Category:Extinct_flightless_birds.
- Mantell's_Moa subject Category:Extinct_flightless_birds.
- Maui_Nui_Large-billed_Moa-nalo subject Category:Extinct_flightless_birds.
- Mesembriornis subject Category:Extinct_flightless_birds.
- Moa subject Category:Extinct_flightless_birds.
- Moa-nalo subject Category:Extinct_flightless_birds.
- New_Caledonian_Rail subject Category:Extinct_flightless_birds.
- New_Zealand_Owlet-nightjar subject Category:Extinct_flightless_birds.
- New_Zealand_geese subject Category:Extinct_flightless_birds.
- Niue_Rail subject Category:Extinct_flightless_birds.
- Noble_Megapode subject Category:Extinct_flightless_birds.
- North_Island_Giant_Moa subject Category:Extinct_flightless_birds.
- North_Island_Takahē subject Category:Extinct_flightless_birds.
- Nuku_Hiva_Rail subject Category:Extinct_flightless_birds.
- O'ahu_Moa-nalo subject Category:Extinct_flightless_birds.
- Ornimegalonyx subject Category:Extinct_flightless_birds.
- Pachydyptes subject Category:Extinct_flightless_birds.
- Palaeeudyptes subject Category:Extinct_flightless_birds.
- Palaeeudyptes_antarcticus subject Category:Extinct_flightless_birds.
- Palaeeudyptes_gunnari subject Category:Extinct_flightless_birds.
- Palaeeudyptes_klekowskii subject Category:Extinct_flightless_birds.
- Palaeeudyptes_marplesi subject Category:Extinct_flightless_birds.
- Palaeospheniscus subject Category:Extinct_flightless_birds.
- Palaeospheniscus_bergi subject Category:Extinct_flightless_birds.
- Palaeospheniscus_biloculatus subject Category:Extinct_flightless_birds.
- Palaeospheniscus_gracilis subject Category:Extinct_flightless_birds.
- Palaeospheniscus_patagonicus subject Category:Extinct_flightless_birds.
- Palaeospheniscus_wimani subject Category:Extinct_flightless_birds.
- Paleopsilopterus subject Category:Extinct_flightless_birds.