We suspect about 60 percent of predator-based sloth deaths happen while they're pooping.

我们怀疑有约 60% 的树懒是在大便时被掠食者杀死的。

Porcupines swing their tails to stick predators with their quills.

豪尾巴来使掠食者被自己的刺给粘住。

These scents were designed to keep predators and other dinosaurs away.

这些气味被用来赶走掠食者和其它恐龙。

Check the items that would allow an animal to avoid being eaten by predators.

检查可以让动物避免被掠食者掉的物品。

The Roseate Spoonbill is known to  spook easily, and maybe it's because they're frequently caught by predators.

众所周知，玫瑰琵鹭很容易受到惊吓，这可能是因为它们经常被掠食者捕获。

Predators want to eat them, immune systems seek to destroy them, and there are physical dangers, too, like running out of water and drying up.

它们可能被掠食者捕杀，被免疫系统毁灭，有很多肉体风险，比如失水干涸而死。

And also, if they can't hear each other's warning calls, they may be more likely to be taken by predators.

而且，如果他们听不到彼此的警告电话，他们可能更容易被掠食者带走。

However, it faces many challenges on its terrestrial journey: it's now in danger of suffocating, drying up, suffering physical damage from rough terrain, and being hunted by land predators.

然而， 它在陆地之旅中面临着许多挑战： 它现在面临着窒息、干涸、 遭受崎岖地形的物理伤害以及被陆地掠食者猎杀的危险。

Many creatures use light generated within their bodies to attract  a mate, or even prey, or to camouflage themselves against being a silhouette from predators below by  faintly lighting the undersides of their bodies.

许多生物利用体内产生的光来吸引配偶，甚至猎物， 或者通过微弱地照亮身体下方来伪装自己， 以免被下面的掠食者发现。