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…19 meters tall and almost 30 meters long. Its neck alone is 4 stories long, a single vertebra almost as tall as a grown man. And a single thighbone weighs over half a ton.
They seem to break all of the rules. There’s nothing like them around today.
Containing over 72 million calories of fresh meat, you’d think Sauroposeidon would be the jackpot for a bloodthirsty carnivore.
They don’t have horns. They don’t have armor. Really, the only antipredator defense1 they have is sheer size.
And size does matter. When a Goliath like this is fully2 grown, even the most vicious predators3 keep their distance, even the most ferocious4 raptor of the Cretaceous—Deinonychus. At 90 kilos, this raptor pales in comparison to its 50-ton prey5.
If we’re talking about a single adult Deinonychus and a single adult Sauroposeidon, the story would go something like this. “Hi! I’m a Deinonychus.” “I’m a Sauroposeidon.” Kuh!
But for a Sauroposeidon, reaching full size can take years. To make things worse, fossil evidence shows that juveniles6 live alone, separated from the herd7 until they reach at least a third of their adult weight. That means for nearly a decade, they wander the forest alone. And that forest is crawling with Deinonychus.
Intelligent and well-armed, they hunt on their own or sometimes in packs, they run with a top speed of 65 kilometers per hour.
These raptors can take on a youngster. For a young Sauroposeidon, there’s just one solution—get big quickly. And that’s gonna take a lot of…
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1 defense | |
n.防御,保卫;[pl.]防务工事;辩护,答辩 | |
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2 fully | |
adv.完全地,全部地,彻底地;充分地 | |
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3 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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4 ferocious | |
adj.凶猛的,残暴的,极度的,十分强烈的 | |
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5 prey | |
n.被掠食者,牺牲者,掠食;v.捕食,掠夺,折磨 | |
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6 juveniles | |
n.青少年( juvenile的名词复数 );扮演少年角色的演员;未成年人 | |
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7 herd | |
n.兽群,牧群;vt.使集中,把…赶在一起 | |
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