The whales have just returned to their breeding grounds in the shallow seas of the tropics. 座头鲸刚刚回到它的热带地区的浅海繁殖地
back at their traditional breeding grounds at last. 返回了它们阔别已久的繁殖地
They head towards their breeding grounds, almost 100 miles inland. 它们要前往繁殖地,几乎在离海岸100英里的内陆
They find new feeding grounds by following the smell of sprouting grass. 它们循着萌发的草香寻找新的用餐场所
These underwater forests are nursery grounds for fish. 这些水下森林正是 鱼类理想的“育婴”场所
Across the northern hemisphere salmon, returning from the ocean to their spawning grounds, 鲑鱼穿越整个北半球 从海洋回到它们的产卵地
To reach their overwintering grounds in India 要想到达印度境内的越冬场所