The cuckoo lays its eggs in other birds' nests.
杜鹃在其他鸟的巢中产蛋。
Some solitary bees make their nests in burrows in the soil.
一些独居的蜜蜂将它们的巢筑在土壤中的洞穴里。
The birds returned to their nests and continued to incubate the eggs.
那些鸟儿返巢继续孵卵。
Some ants do not build nests at all.
一些蚂蚁并不筑巢。
The hens were sleeping on their nests.
母鸡们在窝里睡着了。
Beavers build dams and birds make nests.
海狸筑水坝，鸟筑巢。
And some birds do not build nests at all.
并且有些鸟根本不筑巢。
Do you see hundreds of nests in the trees?
你们有没有看到树上成百个鸟巢？
They found many birds' nests in the woods.
他们在树林里发现了许多鸟巢。
They need holes in riverbanks to make nests.
它们需要河岸上的洞穴去筑巢。
"He knows all about eggs and nests," Mary went on.
“他知道关于蛋和鸟巢的一切。”玛丽接着说。
They infested half the nests with 60 hen fleas each.
他们往一半巢穴各放入60只鸡蚤。
They dig out nests in the riverbed and lay their eggs.
它们在河床上挖巢产卵。
All the male penguins will build nests if the female penguins lay eggs.
如果雌性企鹅下蛋，所有的雄性企鹅都会筑巢。
The most common materials used for nests are grasses, branches and feathers.
筑巢最常用的材料是草、树枝和羽毛。
Some birds build their nests on the ground, while others bury their eggs under the ground.
有些鸟在地上筑巢，有些则把蛋埋在地下。
Those dinosaurs on the nests were probably adult males who wouldn't have needed calcium for making eggshells.
巢里的那些恐龙可能是成年雄性，不会需要用来制造蛋壳的钙。
Ulrich Mueller of Maryland and his colleagues genetically screened 862 different types of fungi taken from ants' nests.
马里兰州的乌利齐·米勒和他的同事从蚂蚁窝中提取了862种不同类型的真菌进行基因筛选。
When you look for nests and eggs in branches of the trees and bushes, remember that some nests may be right on your feet.
当你在树枝和灌木丛中寻找鸟巢和鸟蛋时，要记住，有些鸟巢可能就在你的脚边。
The ants therefore cultivate these fungi in their nests, bringing them leaves to feed on, and then use them as a source of food.
"因此，蚂蚁在它们的巢中培养这些菌类，用叶子喂养它们，然后把它们当作食物来源。
They also examined the fossilized bones of those three types of dinosaurs that were found on or near nests to determine their sex.
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。
Some 10,000 pairs of the birds, called fulmars, a kind of Arctic seabird, make their nests on Devon Island, north of the Arctic Circle.
在北极圈以北的德文岛上大约有一万对鸟在那里筑巢，它们被称为管鼻鹱，是一种北极海鸟。
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.
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。
Since adult dinosaur fossils have sometimes been discovered near or on top of nests, we've been looking at the dinosaur parenting behavior.
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。
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.
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。
Most predators of waterfowl nests prey opportunistically on songbird nests, and removing these predators could directly increase songbird nesting success.
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。
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.
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。
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.
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。
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.
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。
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