He's grown elaborate breeding plumage for this moment, 为此他已长出漂亮的繁殖羽

164. Jackson's Widowbirds also seek fresh grass.
     杰氏巧织雀也在寻找鲜嫩的草
165. Although, it's not just food that they're after.
     然而 它们却不只是为食物而来
166. This male wants a mate.
     这只雄鸟想求偶
167. He's grown elaborate breeding plumage for this moment,
     为此他已长出漂亮的繁殖羽
168. but he needs a stage on which to show it off.
     但他需要舞台来展现自我
169. By carefully selecting grass blades,
     细心挑选草茎
170. each trimmed to the correct length,
     每一根修剪到合适的长度

来自《行星地球 第二季 第五集 Planet Earth S02E05 草原》第 167 行