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… solid armor and dangerous weapons all deliver the power to stand up to huge predators2.
But in the world of Cretaceous, other defenders3 come equipped with tools not only to survive an attack but to defeat an opponent. Ankylosaurus is a herbivore designed to kill.
Hell Creek4, Montana. 68 million years ago. Prehistoric5 plant eaters live every day with a target on their back. To avoid becoming dinner, they rely on specialized6 evolutionary7 adaptations, internal armor, advanced designs, and armaments tougher than anything found on animals today.
These are animals that have defenses.
Very dangerous, heavily armed, heavily armored targets.
A Triceratops can hold its own against almost any predator1. With three horns and a bony shield, even a T-Rex keeps its distance. An Ankylosaurus is completely different. It may be a herbivore, but it has the tools to stop an attacker dead in its tracks.
Ankylosaurus was a walking tank—a massively armed and armored animal.
Nine meters long and weighing four tons, Ankylosaurus’s home is the American West.
Interesting thing about Ankylosaurus which makes them kind of cool is that their pelvises have been modified so it’s very broad. They have an enormous gut9 and they were probably engaging in what’s called fermentation digestion10 and we see in their uh… like cows and horses and what not in. They use bacteria to break down the soilous material.
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1 predator | |
n.捕食其它动物的动物;捕食者 | |
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2 predators | |
n.食肉动物( predator的名词复数 );奴役他人者(尤指在财务或性关系方面) | |
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3 defenders | |
n.防御者( defender的名词复数 );守卫者;保护者;辩护者 | |
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4 creek | |
n.小溪,小河,小湾 | |
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5 prehistoric | |
adj.(有记载的)历史以前的,史前的,古老的 | |
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6 specialized | |
adj.专门的,专业化的 | |
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7 evolutionary | |
adj.进化的;演化的,演变的;[生]进化论的 | |
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8 marvels | |
n.奇迹( marvel的名词复数 );令人惊奇的事物(或事例);不平凡的成果;成就v.惊奇,对…感到惊奇( marvel的第三人称单数 ) | |
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9 gut | |
n.[pl.]胆量;内脏;adj.本能的;vt.取出内脏 | |
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10 digestion | |
n.消化,吸收 | |
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