But not all plant eaters in the Cretaceous live as a group. Ankylosaurus are loners. 然而白垩纪并非所有食草动物都是群居的。甲龙就是个独行侠。 They depend on a powerful tail club and steel-like body armor to defend themselv...
The reasons why animals like Sauroposeidon have an enlargement in their hip 像波塞东龙这种动物之所以臀部有一部分扩张， is because there's actually a lot going on back there. 是因为尾部的活动很多。 There are lots of mus...
But in this prehistoric world, giant carnivores with ultra-keen senses and powerful, razor-sharp weaponry are everywhere. 但在史前世界里，机敏凶猛的大型肉食动物几乎无处不在。 Throughout the Cretaceous, hungry carnivores patr...
The crest contains the animal's nasal cavity-a tube that loops around twice, creating a chamber two and a half meters long. 头冠包含有这种动物的鼻腔一个双循环的管道形成了一个2.5米长的腔体。 Calls, vibrations originating...
Sauroposeidon has a brain less than a thousandth of its body size-the equivalent of a human being with a brain the size of a pea. 波塞东龙的大脑不及身体体积的千分之一，就如同人类只有一个豌豆大小的大脑一样。 Lobes...
When growing is your best defense, gaining weight is serious business. 当成长成为了最佳防守之道，增加体重就是重中之重。 So Sauroposeidon does away with time-consuming tasks like chewing. 所以波塞东龙略去了耗时的任务...
When a Goliath like this is fully grown, even the most vicious predators keep their distance, 当这样的庞然大物发育成熟，即使最凶恶的食肉动物也要避让三分 even the most ferocious raptor of the Cretaceous--Deinonychus. 包括白...
Ankylosaurus represents the end of the history of the armored dinosaurs, the ultimate in dinosaurian tanks. 甲龙代表了恐龙家族中装甲恐龙的终结，是恐龙坦克中的顶峰。 But some dinosaurs don't rely on body armor and weapons f...
Sauroposeidon is an herbivore. 波塞东龙是食草动物。 The evolutionary strategy for this giant is to lay hundreds of eggs in the hope that maybe just one or two survive to adulthood. 这种巨型生物的进化策略，就是产几百个蛋希望...
Eating lots in springtime is crucial. 在春季，大吃特吃是很重要的。 That's when protein in plants is more available and easier to digest. 那时的植物含有更多的蛋白质且更易于吸收。 Calcium is not very abundant in a lot...
