A gelada monkey sits for a portrait in the Ethiopian highlands.

这是一张埃塞俄比亚高地一只坐着的狮尾狒狒的肖像照片。

With fangs bared and gums blazing, a male gelada looks tough enough.

一只雄性狒狒露出了尖牙和有力的齿龈，这使它看上去相当的暴戾。

Gelada monkeys live in small groups, with several females and a single male.

一个狒狒家族往往很小，其中只有一个雄性狒狒和数个雌性狒狒。

When a rival displaces the male in a gelada family, he frequently kills his predecessor's progeny.

当竞争者取代了某一雄性狒狒在该家族中的地位时，它会频繁地杀死前任的后代。

This harsh landscape, sometimes called the African Alps, is the only home of the endangered gelada baboon.

这一严酷的景观，有时被称为非洲阿尔卑斯山，是唯一的濒危狒狒。

This harsh landscape, sometimes called the African Alps, is the only home of the endangered gelada baboon.

这一严酷的风景，有时被称为非洲的阿尔卑斯山，那些濒危灭绝的狮尾狒和狒狒。

To discover whether the Bruce effect is a naturally occurring adaptive strategy, researchers from the University of Michigan observed a wild population of gelada monkeys.

为了调查布鲁斯效应是否是一种自然发生的适应策略，密歇根大学的研究人员对野生狒狒进行了观察。