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Dinosaurs and prehistoric life


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8 replies to this topic

#1
wjfox

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I can't believe we don't have a thread for this already. Here we can post general articles, pics, videos or discussions about dinosaurs and other prehistoric life. Since it's a fairly broad and important topic, I've pinned it.

 

I'll start with this AMAZING (and slightly scary) image...

 

Quetzalcoatlus northropi, the largest known flying animal. Lived from 72 million to 66 million years ago.

 

 

DaZd1N6VAAAod1T.jpg

 

 

 

 

 

Oh, and here's Meganeuropsis, the largest flying insect...

 

These were able to survive only because Earth's atmosphere had a lot more oxygen back then (283.5–290.1 mya).

 

 

1Ii3vdA.png

 

 

 

ThRP4CE.jpg


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#2
zEVerzan

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Quetzalcoatlus has long been a fascination of mine because it was basically a *flying carnivorous giraffe*. It could absolutely swallow a human in one bite if it wanted. I'll do some digging and see if I can find an old sketch of Quetzalcoatlus I animated.


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#3
Raklian

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Quetzalcoatlus has long been a fascination of mine because it was basically a *flying carnivorous giraffe*. It could absolutely swallow a human in one bite if it wanted. I'll do some digging and see if I can find an old sketch of Quetzalcoatlus I animated.

 

I've always wondered how that monster is able to support such a large head with a tiny thorax, let alone fly it. Heck, giraffes have tiny heads so supporting their heads with long thin necks wasn't so out of the realm.

 

I guess the Quetzalcoatlus' reverse-bending forelegs have to support the body's forward center of gravity due to the apparent greater mass in the head-neck section, hence the crawling behavior of this creature when it's not flying.


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#4
wjfox

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The short-faced bear.

 

Scientists speculate that these delayed human migration into North America, because they hunted us in the Bering Strait.

 

 

0bfaoe9l06kz.jpg


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#5
TranscendingGod

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https://www.npr.org/...s-to-extinction

 

We got em in the end though.


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#6
zEVerzan

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I'll do some digging and see if I can find an old sketch of Quetzalcoatlus I animated.

 

I found it:

 

https://i.imgur.com/EH1lIHI.gif

 

It won't let me post as a gif :\ 


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#7
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Fossil of 'first giant' dinosaur discovered in Argentina

 

10 July 2018

 

They are the biggest animals to have walked the Earth, with some weighing as much as a space shuttle.

 
However, it is unclear how dinosaurs grew to such massive proportions.
 
A new dinosaur discovery from Argentina gives fresh evidence on the rise of the giants.
 
The animal used a novel strategy to become super-sized, involving very fast growth spurts and efficient bird-like lungs, say palaeontologists.
 
The fossil was found in the northwest of Argentina during a field trip. The scientists found four skeletons in all, one of a new species and three of related dinosaurs.
 

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#8
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These half-billion-year-old creatures were animals—but unlike any known today

 

Aug. 8, 2018 , 7:00 AM

 

So-called Ediacaran organisms have puzzled biologists for decades. To the untrained eye they look like fossilized plants, in tube or frond shapes up to 2 meters long. These strange life forms dominated Earth’s seas half a billion years ago, and scientists have long struggled to figure out whether they’re algae, fungi, or even an entirely different kingdom of life that failed to survive. Now, two paleontologists think they have finally established the identity of the mysterious creatures: They were animals, some of which could move around, but they were unlike any living on Earth today.

 

Read more: http://www.sciencema...any-known-today

 

 

wIGKNgb.jpg


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#9
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The Elephant Bird Regains Its Title as the Largest Bird That Ever Lived

 

Sept. 26, 2018

 

History has not been kind to the elephant bird of Madagascar. Standing nearly 10 feet tall and weighing up to 1,000 pounds — or so researchers believed — this flightless cousin of the ostrich went extinct in the 17th century, thanks in part to humans stealing their massive eggs, either to feed their own families or to repurpose them as giant rum flasks. Or both.

More recently, the bird’s designation as the heaviest in history was challenged by the discovery of the slightly larger, unrelated Dromornis stirtoni, an Australian flightless giant that went extinct 20,000 years ago.

But a new study seeks to restore the elephant bird’s heavyweight title. After taxonomic reshuffling and examination of collected elephant bird remains, researchers say that a member of a previously unidentified genus of the birds could have weighed more than 1,700 pounds, making it by far the largest bird ever known.

 

https://www.nytimes....phant-bird.html

 

 

QrbBV55.jpg


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