that, though rarely seen, are rightly feared. 尽管难得一见 也着实令人胆战心惊
are deflected upwards and can help the birds gain height. 有利于游隼飞得更高
that are far larger than those found in the forests nearby. 队伍比周边森林里的要大得多
are probably the best langur territories in the world. 这边城区也许是世上最优良的栖息地
There are 15 males in this bachelor group. 这个单身猴群里有十五只公猴
Like all grassland creatures, they are at the mercy 和其他草原生物一样 他们依赖着
and the bison are now slowly starving. 美洲野牛越来越饥饿