but he'll have to do more than flutter his eyelids, if he wants to impress her. 但要给雌鸟留下好印象的话它还需要加倍的努力
but they have to change their behaviour if they are to gather what they need on the newly flooded plains. 但若想在这块刚被洪水淹没的草原上觅食 狒狒也得改变自己的习性
But lions have much more sensitive eyes. 而狮子有着更加锐利的视力
Huge quantities of grass, valuable food, have been lost. 大量的青草 宝贵的食物,片刻之间便化为乌有
Without trees, eagles have to nest directly on the ground. 没有了树,鹰只能直接把巢安在地面上
Predators also have a hard time raising their young on open grassland. 掠食动物在这片空旷的草地上繁衍后代也并不轻松