評論
打印
Even though the land is still frozen, to some, this is the breeding season.
雖然地面依然凍著冰，卻到了一些動物的繁殖季。
Whooper Swans have arrived.
大天鵝飛來了。
They may have spent the winter in central or eastern Russia, thousands of miles away.
它們可能在遠在數千英里之外的俄羅斯中部或東部過冬。
These swans mate for life and return to the same place each year to breed.
大天鵝是終生一個配偶的，且每年都回到相同地點繁殖。
This noisy display lays claim to their patch and serves as a warning for others to stay away.
這種嘈雜的表演是在宣稱自己的領地，同時警告其它天鵝離遠些。
Good territory is hard to come by.
好地盤不容易碰到。
Another pair have moved in.
另一對天鵝靠近了。
The head-down display is a warning and a challenge to a duel.
這種頭朝下的姿勢是一種警告并要求對決。
Whoopers are among the largest of all swans.
大天鵝是最大的天鵝之一。
Their vicious battles could easily result in a broken neck or wing.
它們之間兇猛的對決極有可能扭斷脖子或翅膀。
For once, the female doesn't just stand by.
這回，雌性沒有袖手旁觀。
She joins in the fight.
它加入戰斗。
The intruders are driven away and the territory holders continue proclaiming their rights.
入侵者被趕走，領地所有者繼續宣告自己的權利。
