One day, these adult freshwater eels will return to the sea to spawn after which they'll die.
某一天,這些成熟的淡水鰻會回到海里產卵,接著就會死去
For now, they are as good as pets.
目前它們就像寵物一樣
Away from the coast, animals are thin on the ground.
離海岸越遠,動物就會越少
The Solomons have only a quarter of the reptiles and birds that New Guinea has.
所羅門爬行動物和鳥類的數量只占新幾內亞的四分之一
For mammals like echidnas and kangaroos,
對于針鼴和袋鼠這樣的哺乳動物而言
the water proved too great a hurdle.
水是一個極大的障礙
But some mammals did make it here.
然而有些哺乳動物卻能成功到達這里
When it comes to reaching new islands,
對于它們而言
flying must surely have been the easiest way to get there.
登陸新島最容易的方法就是飛行
But the 60 miles between New Guinea and the Solomons
然而新幾內亞和所羅門之間相距50公里
still proved a formidable challenge for many winged creatures.
多數有翼的哺乳動物很難飛越這么遠的距離
With their four-foot wingspans, giant fruit bats succeeded where other fliers failed.
依賴1米寬的翼展,巨型果蝠成功抵達其它飛行動物無法到達的地方。