If they are relaxed, it must be safe to come down to the ground and gather the food that lies there 如果白斑鹿显得无拘无束 那么叶猴可以安心从地面上采集食物
and the trees must shut down and shed their leaves in preparation for the cold dark time ahead. 树木开始减缓代谢,树叶开始凋零, 以准备迎接寒冬的到来
These endangered birds are visitors. They've come down from the north to escape the even colder conditions in Siberia. 这些濒临灭绝的鸟儿从更加寒冷的西伯利亚来访
It's so big and powerful, it can even bring down an adult caribou. 它大而强壮,甚至可以干掉一头成年北美驯鹿
but down below there are some unexpected sights. 但往下看,就有出人意料的发现
and then abseils down for a spot of fishing. 直接坐收渔翁之利
spend most of their lives in the high canopy and only come down when it's time to breed. 大部分时间在高高的树冠层生活 只有在交配繁殖时期才会下来
Down here seedlings struggle to grow 在这里,秧苗奋力向上生长