Nanotyrannus actively hunts and kills young Tyrannosaurs. Not to eat, but to get rid of the competition.

矮暴龙会主动搜寻猎杀幼霸王龙。不是为了食物而是要消灭竞争对手。

But Triceratops has one major disadvantage. lts night vision is no match for a tyrannosaur.

但三角龙有个致命弱点，它夜视能力无法与霸王龙相提并论。

So perhaps the young tyrannosaurs were using their arms more to tackle prey.

所以可能幼年霸王龙是用前爪来对付猎物。

There were Raptors hunting you. There were Tyrannosaurs hunting you. And there was death from the sky.

猛禽类恐龙在追捕。霸王龙要吃了。有来自天空死神。

Suskityrannus is the first really good record of the early tyrannosaurs in North America, he wrote in an email.

在电邮中写道，" 郊狼暴龙是北美早期霸王龙首个最佳记录。"

These were the tyrannosaurids, the largest of the tyrannosaurs.

这些是霸王龙，最大 霸王龙。

You're going to try and build a complete tyrannosaur skeleton.

您将尝试构建一个完整霸王龙骨架。

And their decline meant that the large carnivores, like the tyrannosaurs, were doomed as well.

它们衰落意味着大型食肉动物， 如霸王龙，也注定要灭亡。

These two large tyrannosaur cousins are found in the same rocks, and are closely related.

这两个大型霸王龙表亲在同一块岩石中发现，并且关系密切。

So, in a sprint, a tyrannosaur would definitely outpace a hadrosaur.

因此，在短跑中，霸王龙肯定会超过鸭嘴龙。

Van Bijlert:  And to do that, we found a fossilized trackway of a smaller tyrannosaur.

Van Bijlert：为此，我们发现了一条较小霸王龙化石足迹。

For example, Yutyrannus, a tyrannosaur from China, had little wisps that grew from follicles in its skin.

例如，羽暴龙，一种来自中国霸王龙，它皮肤上有从毛囊中长出小丝线。

In most carnivorous dinosaurs, like tyrannosaurs, it attached high up, near the hips.

在大多数食肉恐龙中，如霸王龙，它附着在臀部附近高处。

There are actually four separate tyrannosaur species here.

这里实际上有四种不同霸王龙。

Let's contrast that with the skull of this tyrannosaur.

让我们将其与这只霸王龙头骨进行对比。

In 2014, scientists in British Columbia discovered trackways made by three Tyrannosaurs that had all been walking side by side.

2014年，不列颠哥伦比亚省科学家发现了由三只霸王龙并排行走所制造行迹。

And this includes a fairly large tyrannosaur.

这包括一个相当大霸王龙。

Similarly, in dinosaurs like tyrannosaurs, the tibia was much longer than the femur in the juveniles.

同样，在霸王龙这样恐龙中，幼年时期胫骨比股骨长得多。

Unlike tyrannosaurs, the length of the ceratopsian hind leg don't change as much.

与霸王龙不同，角龙类后腿长度变化不大。

Falcarius shared an environment with a host of dromaeosaurs, troodontids, and early tyrannosaur relatives, so competitive pressure among carnivores was likely pretty high.

Falcarius 与许多驰龙、伤齿龙和早期霸王龙亲属共享一个环境，因此食肉动物之间竞争压力可能相当高。