天亮了，乌鸦飞回了他们的巢穴。
他们往一半巢穴各放入60只鸡蚤。
这是强盗的巢穴。
那只虎退回巢穴。
我的下一步工作是建造一个巢穴,并把它固定在树上。
My next work was to construct a nest and anchor it in a tree.
一些觅食蚁外出后，一找到食物就会带上食物回到巢穴里。
Some forager ants go out, and as soon as they find food, they pick it up and come back to the nest.
她再也不能享有像画眉鸟窝在自己安全隐蔽的巢穴里的那种感觉了。
She would never again feel like a missel thrush with a safe-hidden nest.
当它们回到家时，它们的粪便会残留在它们的巢穴周围，包括附近的池塘。
When they return home, their dropping sends up all around their nesting sites, including in near by ponds.
在一次折翼展示中，鸟展开并拖动它的翅膀或尾巴，一边拖，一边慢慢远离巢穴。
In a broken-wing display, the bird spreads and drags the wings or its tail, and while it does that, it slowly moves away from the nests.
突然一个声音喊道：“回头，回头，美丽的少女，不要在这个凶手的巢穴里逗留。”
Suddenly a voice cried: "Turn back, turn back, young maiden fair, Linger not in this murderers' lair."
对于从地下的巢穴中爬到炙热的阳光下猎食的撒哈拉银蚁来说，这是寻找午餐的最佳时间。
For the Saharan silver ant, crawling from their underground nests into the sun's brutal rays to hunt for food, this is the perfect time to seek lunch.
20世纪20年代，一位古生物学家在一个装着蛋的巢穴附近发现了一只小恐龙的化石遗迹。
In the 1920s, a paleontologist discovered the fossil remains of a small dinosaur near a nest containing eggs.
当画眉鸟夫人离开巢穴去捉虫子回来喂养她的孩子们的时候，就有四张小画眉鸟的嘴巴和一张巨大布谷鸟的嘴巴大张着。
When Mrs. Thrush leaves the nest to get a worm and comes back to feed her young, there are four little thrush mouths and one huge cuckoo mouth.
这些高频声音传播得没有那么远，因此可能更好地隐藏了发出这些声音的个体，它们在自己的地面巢穴中特别容易受到捕食者的攻击。
These higher-frequency sounds do not travel as far, and so may better conceal the individuals producing them, who are especially vulnerable to predators in their ground nests.
2015年，比利时两所大学的科学家加入了这些蚂蚁的行列，他们来到沙漠，花了一个月的时间在极端的高温天气下追踪蚂蚁，挖掘蚂蚁的巢穴。
In 2015 these ants were joined in the desert by scientists from two Belgian universities, who spent a month in the extreme heat tracking the ants and digging out their nests.
鸟类在巢穴、岩石悬垂处、树丛以及茂密的灌木丛中寻找庇护，以躲避一天中最热的时候；而像更格卢鼠这样的哺乳动物则选择藏身于地下的洞穴中。
Birds shelter in nests, rock overhangs, trees, and dense shrubs to avoid the hottest hours of the day, while mammals like the kangaroo rat burrow underground.
在没有捕食者的情况下，那些在食物、庇护所、巢穴据点和其他环境资源方面最具竞争力的物种往往会占据主导地位，并拒绝接纳那些与之竞争的物种。
Without predators, the species that is the best competitor for food, shelter, nesting sites, and other environmental resources tends to dominate and exclude the species with which it competes.
这些巢穴的高度在50到200英尺之间。
The height of these nests is from 50 to 200 feet in the air.
当它们返回家园时，它们的排泄物会分散在巢穴周围，包括附近的池塘里。
When they return home, their droppings end up all around their nesting sites, including in nearby ponds.
他替它们保守秘密，这样，其他的男孩就不会发现他们的巢穴，并吓着他们了。
He keeps them secret so that other boys won't find their holes and frighten them.
他们还研究了在巢穴里或巢穴附近发现的那三种恐龙的骨骼化石，以确定它们的性别。
They also examined the fossilized bones of those three types of dinosaurs that were found on or near nests to determine their sex.
由于成年恐龙化石有时在巢穴附近或巢穴顶部被发现，我们一直在观察恐龙的育儿行为。
Since adult dinosaur fossils have sometimes been discovered near or on top of nests, we've been looking at the dinosaur parenting behavior.
大多数水鸟的捕食者都有机会捕食鸣禽的巢穴，而消灭这些捕食者可以直接提高鸣禽筑巢的成功率。
Most predators of waterfowl nests prey opportunistically on songbird nests, and removing these predators could directly increase songbird nesting success.
因此，朝向东南的入口本身似乎是雌鸟偏爱的特定巢穴特征，而不是选择位置对巢穴入口电流的影响。
A southeast-facing entrance per se thus seems to be the specific nest feature preferred by females, rather than the effect of selective positioning on current at the nest entrance.
此外，在最近的一项研究中，巢穴上游和巢穴入口处的水流速度，上游朝向东南和朝向其他方向的巢穴相似。
Moreover, in a recent study, current speeds upstream of the nest and at the nest entrance were similar for nests upstream facing southeast and those facing in other directions.
在1995年和1996年，研究人员捕获并清除了特定的水禽巢穴捕食者，主要是浣熊和条纹臭鼬，然后观察了鸣禽巢穴随后的存活率。
In 1995 and 1996, researchers trapped and removed certain waterfowl-nest predators, primary raccoons and striped skunks, then observed subsequent survival rates for songbird nests.
据报道，这个“特大城市”由3.6亿只工蚁和100万名蚁后组成，他们居住在4500个相互连接的巢穴中，这些巢穴分布在2.7平方公里的土地上。
This 'megalopolis' was reported to be composed of 360 million workers and a million queens living in 4,500 interconnected nests across a territory of 2.7 square kilometres.
或是调制用来保护巢穴的生化制品。
Or the laggards may be cooking up some biochemical nest protection.
或是调制用来保护巢穴的生化制品。
Or the laggards may be cooking up some biochemical nest protection.
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