ar: Arabic · bg: Bulgarian · cs: Czech · da:Danish · de: German · el: Greek · en: English · es: Spanish · et : Estonian · fa: Persian · fi: Suomi · fr: French · he: Hebrew · hi: Hindi · hr: Croatian · hu: Hungarian · id: Indonesian · is: Icelandic · it: Italian · ja: Japanese · ko: Korean · lt: Lithuanian · lv: Latvian · nl: Dutch · no: Norwegian · pl: Polish · pt: Portuguese · ro: Romanian · ru: Russian · sk: Slovak · sl: Slovenian · sr: Serbian · sv: Swedish · th: Thai · tr: Turkish · vi: Vietnamese · zh: Chinese
 | ... IORNITHIDA ... (14 elements)bg (1) : THRESKIORNITHIDAE cs (1) : THRESKIORNITHIDAE el (1) : THRESKIORNITHIDAE en (3) : HELIORNITHIDAE · SOPHIORNITHIDAE · THRESKIORNITHIDAE es (2) : HELIORNITHIDAE · THRESKIORNITHIDAE fr (2) : HELIORNITHIDAE · THRESKIORNITHIDAE it (1) : THRESKIORNITHIDAE nl (1) : SOPHIORNITHIDAE pt (1) : THRESKIORNITHIDAE tr (1) : THRESKIORNITHIDAE |
 | ... IORNITHID ... (17 elements) HELIORNITHIDAE · SOPHIORNITHIDAE · THRESKIORNITHIDAE · THRESKIORNITHIDE · THRESKIORNITHIDES ... ORNITHIDA ... (38 elements) AEPYORNITHIDAE · ATRICHORNITHIDAE · CONFUCIUSORNITHIDAE · ELEUTHERORNITHIDAE · HORUSORNITHIDAE · MESITORNITHIDAE · PELAGORNITHIDAE · PRESBYORNITHIDAE · STEATORNITHIDAE · TERATORNITHIDAE |
 | ... HELIORNITHIDAE ... (3 elements) HELIORNITHIDAE ... SOPHIORNITHIDAE ... (2 elements) SOPHIORNITHIDAE ... THRESKIORNITHIDAE ... (9 elements) THRESKIORNITHIDAE |