纪录片《南太平洋》 第10期 大洋小岛（10）

（单词翻译）

The biggest can weigh up to four kilograms - the same as a newborn baby

最大的体重超过4公斤，相当于一个新生儿

and have a leg span of one metre.

四肢跨度长达一米

It's a hermit¹ crab² on steroids.

它属于陆生寄居蟹科

At night, the huge "robbers" really come alive.

夜间，大盗活跃起来

Although these crabs³ are found throughout the Pacific,

虽然这种蟹在太平洋随处可见

it's only on undisturbed islands that you can see them in such numbers.

但只有在人迹罕至的小岛上才能看到数量如此众多的蟹群

Exactly why robber crabs have grown so big is a mystery,

盗蟹为何体型巨大仍是个谜

but with so few creatures making it to these remote islands,

由于只有少数动物才能涉足这些偏远的岛屿

the giant crustaceans⁴ seem to have filled a niche⁵ normally taken by medium-sized mammals.

大甲壳纲动物似乎填补了中型哺乳类动物所占据的位置

And with almost no competition from other native animals,

小岛上几乎没什么竞争可言

the crabs' huge size allows them to make the most of another great coloniser - something found here in abundance.

巨大的身躯使盗蟹能够充分利用岛上另一个重要的移民，一种岛上随处可见的东西

Coconuts⁷ are one of their favourite foods -

椰肉是盗蟹的最爱

it's why they're also called "coconut⁶ crabs" -

所以它们也被称为椰子蟹

and they've been known to carry them as far as three miles to a favourite den⁸.

它们能将椰子带回到5公里外的巢穴