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Dino Autopsy | National Geographic


it’s called the Hell Creek Formation but

it’s called the Hell Creek Formation but two paleontologists this part of North

two paleontologists this part of North

two paleontologists this part of North Dakota is pure heaven all those

Dakota is pure heaven all those

Dakota is pure heaven all those dinosaurs that led happy fruitful lives

dinosaurs that led happy fruitful lives

dinosaurs that led happy fruitful lives here on these ancient floodplains

here on these ancient floodplains

here on these ancient floodplains also died here

Leeson has walked just about every inch

Leeson has walked just about every inch of this land it’s been in his family for

of this land it’s been in his family for

of this land it’s been in his family for decades and he’s been hunting fossils on

decades and he’s been hunting fossils on

decades and he’s been hunting fossils on it since he was practically a toddler at

it since he was practically a toddler at

it since he was practically a toddler at 25 he has already headed 60 excavations

25 he has already headed 60 excavations

25 he has already headed 60 excavations but even that couldn’t have prepared him

but even that couldn’t have prepared him

but even that couldn’t have prepared him for what he was about to find protruding

for what he was about to find protruding

for what he was about to find protruding from that rocky hillside

from that rocky hillside

from that rocky hillside I followed the bone fragments of the

I followed the bone fragments of the

I followed the bone fragments of the little gully and I saw two spinal bones

little gully and I saw two spinal bones

little gully and I saw two spinal bones sticking out of the hill Leeson rounded

sticking out of the hill Leeson rounded

sticking out of the hill Leeson rounded up his crew and began excavating the

up his crew and began excavating the

up his crew and began excavating the site removing more and more rocks and

site removing more and more rocks and

site removing more and more rocks and dirt he realized there was a whole lot

dirt he realized there was a whole lot

dirt he realized there was a whole lot more to these fossils than just bones I

more to these fossils than just bones I

more to these fossils than just bones I knocked off a little piece of what I

knocked off a little piece of what I

knocked off a little piece of what I thought was just sandstone and I looked

thought was just sandstone and I looked

thought was just sandstone and I looked at it and it had a weird pattern to it

at it and it had a weird pattern to it

at it and it had a weird pattern to it and so I brought the piece of sandstone

and so I brought the piece of sandstone

and so I brought the piece of sandstone back to the lab and after hours and

back to the lab and after hours and

back to the lab and after hours and hours of slowly brushing it the scale

hours of slowly brushing it the scale

hours of slowly brushing it the scale started to appear

Leeson held in his hands the scaly skin

Leeson held in his hands the scaly skin of an animal that had been extinct for

of an animal that had been extinct for

of an animal that had been extinct for 65 million years the skin hadn’t clapped

65 million years the skin hadn’t clapped

65 million years the skin hadn’t clapped sin around the bone at that point I knew

sin around the bone at that point I knew

sin around the bone at that point I knew that we had a 3d dinosaur mummy I was

that we had a 3d dinosaur mummy I was

that we had a 3d dinosaur mummy I was absolutely thrilled our mummy now dubbed

absolutely thrilled our mummy now dubbed

absolutely thrilled our mummy now dubbed Dakota after its home turf is a fossil

Dakota after its home turf is a fossil

Dakota after its home turf is a fossil like other dinosaurs but unlike

like other dinosaurs but unlike

like other dinosaurs but unlike reconstructed museum skeletons what’s

reconstructed museum skeletons what’s

reconstructed museum skeletons what’s extraordinary is that Dakota seems to

extraordinary is that Dakota seems to

extraordinary is that Dakota seems to have fossilized with most of its skin

have fossilized with most of its skin

have fossilized with most of its skin and organs intact so that is the actual

and organs intact so that is the actual

and organs intact so that is the actual skin envelope here as well yeah they

skin envelope here as well yeah they

skin envelope here as well yeah they come up to and then it’s draped over

come up to and then it’s draped over

come up to and then it’s draped over there it’s more massively deep the tile

there it’s more massively deep the tile

there it’s more massively deep the tile yeah much deeper than any tale of ever

yeah much deeper than any tale of ever

yeah much deeper than any tale of ever this animal had a big ass it’s huge

this animal had a big ass it’s huge

this animal had a big ass it’s huge that’s a surprise so surprising that

that’s a surprise so surprising that

that’s a surprise so surprising that compared to earlier estimates the large

compared to earlier estimates the large

compared to earlier estimates the large skin envelope has ballooned our animals

skin envelope has ballooned our animals

skin envelope has ballooned our animals rear end more than 25% we’ve had 150

rear end more than 25% we’ve had 150

rear end more than 25% we’ve had 150 nearly 200 years of people looking at

nearly 200 years of people looking at

nearly 200 years of people looking at this particular animal saying that’s

this particular animal saying that’s

this particular animal saying that’s what it looks like we’ve been wrong as

what it looks like we’ve been wrong as

what it looks like we’ve been wrong as more and more specks of rock get

more and more specks of rock get

more and more specks of rock get carefully chipped away Dakota gives us a

carefully chipped away Dakota gives us a

carefully chipped away Dakota gives us a more complete picture each tin to its

more complete picture each tin to its

more complete picture each tin to its arms and tail alternating bands of large

arms and tail alternating bands of large

arms and tail alternating bands of large and small scales provide telltale signs

and small scales provide telltale signs

and small scales provide telltale signs of how this animal may have really

of how this animal may have really

of how this animal may have really looked

along the back runs one of the most

along the back runs one of the most exciting finds a continuous frill from

exciting finds a continuous frill from

exciting finds a continuous frill from the pelvis to the tail the first

the pelvis to the tail the first

the pelvis to the tail the first preserved in a hadrosaur mummy 10 feet

preserved in a hadrosaur mummy 10 feet

preserved in a hadrosaur mummy 10 feet of it have been uncovered so far these

of it have been uncovered so far these

of it have been uncovered so far these frills may have helped Dakota recognize

frills may have helped Dakota recognize

frills may have helped Dakota recognize its own kind

its own kind

its own kind one of Dakota’s arms has emerged from

one of Dakota’s arms has emerged from

one of Dakota’s arms has emerged from the tail block as well and it’s a real

the tail block as well and it’s a real

the tail block as well and it’s a real surprise much heftier and more muscular

surprise much heftier and more muscular

surprise much heftier and more muscular than expected the arm may have been very

than expected the arm may have been very

than expected the arm may have been very strong raising the possibility that

strong raising the possibility that

strong raising the possibility that Dakota may have run on 4 feet as well as

Dakota may have run on 4 feet as well as

Dakota may have run on 4 feet as well as on 2

and now the most intriguing hunk of

and now the most intriguing hunk of Dakota the body lies ready to reveal its

Dakota the body lies ready to reveal its

Dakota the body lies ready to reveal its secrets

secrets

secrets the preparator ‘s have meticulously

the preparator ‘s have meticulously

the preparator ‘s have meticulously stripped three feet of rock from the

stripped three feet of rock from the

stripped three feet of rock from the body and are just now hitting skin

body and are just now hitting skin

body and are just now hitting skin somewhere in here tyler is convinced is

somewhere in here tyler is convinced is

somewhere in here tyler is convinced is his real prize a skull with its soft

his real prize a skull with its soft

his real prize a skull with its soft tissue intact we’re almost there I can

tissue intact we’re almost there I can

tissue intact we’re almost there I can see the light at the end of the tunnel

see the light at the end of the tunnel

see the light at the end of the tunnel which is a good thing because it’s been

which is a good thing because it’s been

which is a good thing because it’s been a long tunnel

a long tunnel

a long tunnel this single specimen has brought us

this single specimen has brought us

this single specimen has brought us closer than we’ve ever been to

closer than we’ve ever been to

closer than we’ve ever been to understanding where these animals live

understanding where these animals live

understanding where these animals live how they look how they moved and how

how they look how they moved and how

how they look how they moved and how they survived into the afterlife

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