In the breeding season, he must take it up a notch.
在繁殖季节,他必须加强防范。
One of our mobile spy cams must also rise to the challenge.
我们的一个移动间谍摄像机也要迎接挑战了。
Koalas rarely come to the ground or show such a turn of speed.
考拉很少到地面来,速度也很少这么快。
But he now has a territory to defend. He bellows to announce he's in charge. A warning to other males.
但现在他要保卫自己的领地了。他低吼着,宣布自己是这里的老大,这是对其他雄性考拉的警告。
Koalas scent mark the ground to tell each other who's been passing through.
考拉会用气味在地面上做标记,告诉对方谁经过了这里。
He's caught the scent of a female.
它闻到了雌性考拉的气味。
But this one already has a baby. No point chasing her.
但这只已经有娃儿了,追她没啥意义。
But she's not the only female here. And our spy is now keeping her company.
不过她并不是这里唯一的雌性考拉,我们的“间谍考拉”旁边就有一位。
The male's enthusiasm may be short lived.
雄性考拉的热情可能是短暂的。
A rival has found her first. He will have to challenge for possession.
一个对手先找到了她,他将不得不对拥有权提出异议。
He announces his arrival with a warning.
他以警告宣告自己的到来。
Spy koala is witnessing something rarely filmed. A fight in the treetops.
“间谍考拉”正目睹一些很少被拍摄到的事情:一场在树梢上进行的决斗。
The only injury, a loss of dignity.
唯一的伤害,是失去了尊严。
The loser makes his retreat. While the challenger gets the girl.
败者退出,胜者喜提佳丽。