Normally, they are remarkably successful hunters. 通常情况下 它们是极成功的猎手
Pigeons are by far the most successful urban bird. 鸽子是目前最成功的城市鸟类
And now, among skyscrapers, they're more successful 穿梭在摩登大厦中
They're so successful that they dominate these deserts. 这套策略成功地让它们主宰着这片沙漠
But sometimes the pisonia trees are too successful. 但有时腺果藤树的策略过于成功
They're so successful, that their only serious competition 他们的生存之道如此成功 以至于唯一的
fewer more successful than the ants. There can be 8 million individuals in a single hectare. 蚂蚁是雨林昆虫中的佼佼者 每公顷可达800万只
and it seems that most couplings were successful. 绝大多数的企鹅对都会成功繁衍出下一代
Successful displays lead to mating. 求爱成功后 它们便开始交配