and have become expert insect hunters... 已经成为专业的昆虫猎手

206. swamplands remain a stronghold for amphibians.
     沼泽仍然是两栖动物的根据地
207. Here in Europe's Danube delta,
     在欧洲的多瑙河三角洲
208. marsh frogs live in their thousands
     湖侧褶蛙成千上万
209. and have become expert insect hunters...
     已经成为专业的昆虫猎手
210. with a particular taste for dragonflies.
     尤其喜欢捕食蜻蜓
211. Thanks to their wraparound vision,
     蜻蜓有全方位视觉
212. catching one isn't easy.
     要抓住它可不容易

来自《我们星球上的生命 第一季 第三集 Life on Our Planet S01E03 入侵大地》第 209 行