"I also found that she closed the wings at a lower rate when other butterfly species flew nearby," said Dr Ide. And he set about trying to find out why this might be.

亚井博士说道：“我还发现了当有其他品种的蝴蝶在附近时，这些铜色蝶会以低频率时不时地合上翅膀”，那时他正打算弄清楚这其中的原因。