…The chicks leave the nest with the male, who constantly calls to gather them together, but these colonies are often made up of individuals of various ages, as stray chicks join other colonies. The family Rheidae includes two species, the common rhea and the Darwin's rhea Pterocnemia pennata . The latter is slightly smaller than the former, and has small white spots scattered on its back and wings. … *Some of the terminology that mentions "Rheidae" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…雛は雄について巣を離れ,雄はたえず呼び声で雛を集めているが,はぐれた雛は他の群れに加わるので,こうした群れはしばしばいろいろな年齢の個体より成り立っている。 レア科Rheidaeには,レアとダーウィンレアPterocnemia pennataの2種が属する。後者は前者よりやや小型で,背や翼には白い小斑が散在している。… ※「Rheidae」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 |
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