Threskiornithidae

...Currently, attempts are being made to artificially breed the species, and a small number of artificial hatchings and raisings have been successful, but it seems unlikely that the species will be restored to its former state.
[Trebidae]
The Threskiornithidae family consists of the ibises (subfamily Threskiornithinae) and the spoonbills (subfamily Ploceinae), and is classified into about 13 genera and 28 species. The ibises are 48 to 105 cm in length.

*Some of the terminology that mentions "Threskiornithidae" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…現在人工増殖が試みられており，少数だが人工ふ化と育雛に成功しているが，往時の状態に戻すことはできそうにないと思われる。
［トキ科］
　トキ科Threskiornithidaeはトキ類(トキ亜科)とヘラサギ類(ヘラサギ亜科)からなり，約13属28種に分類される。トキ類は全長48～105cm。…

※「Threskiornithidae」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報