They're the gardeners and caretakers of a tiny crab utopia. 它们是这个小小蟹类乌托邦的园丁和守卫
But the greatest threat they face is change. 但它们眼前的最大威胁已经改变
Christmas Island in the Indian Ocean. 这是印度洋上的圣诞岛
and the danger they brought will be gone. 它们带来的危险也将不复存在
Even the most idyllic looking of islands 再诗情画意的岛屿
presents challenges for the animals living there. 岛上的动物也要面临挑战
By the time it fledges, the Pisonia seeds will have dispersed 等它羽翼丰满之时 腺果藤树种子已经传播完毕
The Pisonia may have failed to disperse these seeds, 这样腺果藤的种子无法传播