Deinonychus | The Raptor That Terrorized Cretaceous North America
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- Опубликовано: 20 окт 2024
- You know a dinosaur had to have been one tough cookie when it has a name that translates to terrible claw, and the Deinonychus definitely lived up to its terrifying name. It was a fearsome raptor that was known to take down dinosaurs much larger than itself, and roamed what is today North America during the Early Cretaceous. Its success and ferocity has led to its stardom popularity and its inclusion in many media, such as the game Ark and rightfully so, as it is truly one of a kind.
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Thanks for watching everyone, no video this saturday but planning to resume uploading on wednesday (norm schedule)
It's all good. Keep up the good content! Take your time.🫡
The return of the king
o7
Given that it had stronger bite force than estimated it would likely have stronger talon power as well. Considering most estimates are theory based on speculation rather than facts based on observations. That is why estimates constantly change.
Deinonychus : Revolutionized the contemporary views on dinosaurs on how they grouped, hunted, and functioned as a prehistoric animal. Sparked a new found interest in dinosuar behaviors and gave knowledge to the iconic "terrible claw" shared by many dromaeosaurids and troodontids.
Jurassic Park movies : I'm giving you a starring role, but giving credit to your much smaller cousin.
“Velociraptor” sounded cooler
Absolutely disagree. Deinonychus is so much more badass than Velociraptor. Although, I understand that they wanted to call them 'something' raptors.
@@helliswhereiwannabe313I’d diagree, velociraptor sounds cool but Deinonychus is just unique
And then we'll ignore your supposed to be feathered for all your following depictions
That was actually by accident. At the time Michael Crichton was initially writing it, there was considerable debate in paleontological circles to reclassify _Deinonychus ostromi_ as a member of the genus _Velociraptor._ As absurd as this seems now, given the radically different sizes, morphological, and ranges of these two genera, this was a major source of contention in the 1980s, and for a while, many paleontologists insisted on referring to _Deinonychus_ as a _Velociraptor_ species. This debate over classification obviously affected Crichton's writing. Crichton modeled his "raptors" off of _Deinonychus,_ hence why the animals in the books and movies were so much bigger than real _Velociraptors._ Chricton himself said the classification debate resolved itself _right after he sent the final draft of Jurassic Park to the printers._ By that point, the book was already out, and further revisions were impossible.
And that's how the _Deinonychus_ of Jurassic Park were inadvertently mislabeled as "Velociraptors."
Glad you’re back mate. Many people are scared of chickens, and then there’s dromeaosaurodae. There’s no way we’d survive back then haha
So basically it was a literal ground hawk.
Yes my second favorite dromeasaur also based username Tlasohtlalistli in iluikoatl Quetzalcoatl
No. A Dinosaur. A Raptor.
Actually hawks are more like a sky-deinonychus. Both are raptors as they are carnivorous avian species.
@@elmochomo8218 I swear Welsh, Polish, and Indigeneous Mexican are the final products of an ancient contest to produce a language with the least amount of vowels in every entry of the vocabulary.
@@vice.nor.virtue Yep. It's a still ongoing contest :P.
That's so cool man. Love that meaning "terrible claw" .. would be amazing to discover a new species than being able to give such a great name like the ones you've showed us
Deinocheirus says hi.
Velociraptors from Jurassic Park are actually Deinonychus. The producers just wanted to call them velociraptors because It sounded more awesome. Velociraptors are much smaller than Denonychus.
Micheal Crichton actually did that in the book because of name recognition between the two. Velociraptors we’re more well known than the Deinonychus
That was actually by accident. At the time Michael Crichton was initially writing it, there was considerable debate in paleontological circles to reclassify _Deinonychus ostromi_ as a member of the genus _Velociraptor._ As absurd as this seems now, given the radically different sizes, morphological, and ranges of these two genera, this was a major source of contention in the 1980s, and for a while, many paleontologists insisted on referring to _Deinonychus_ as a _Velociraptor_ species. This debate over classification obviously affected Crichton's writing. Crichton modeled his "raptors" off of _Deinonychus,_ hence why the animals in the books and movies were so much bigger than real _Velociraptors._ Chricton himself said the classification debate resolved itself _right after he sent the final draft of Jurassic Park to the printers._ By that point, the book was already out, and further revisions were impossible.
And that's how the _Deinonychus_ of Jurassic Park were inadvertently mislabeled as "Velociraptors."
No. They are Utahraptors
@@Jack_The_Ripper_HereUtah raptors are like 3x the size of the raptor species in JP.
Both Velociraptor and Deinonychus are cool/scary names.
This is so cool! I loved all the info on the different claw theories, their teeth, and their vision and such. Great job!
Great work! I think the difference in organized hunts and a feeding frenzy are a really interesting distinction and I could see why that'd be hard to read in the fossils.
Anyways great stuff my friend!-G.G.
They’re also NOT mutually exclusive. The idea of Deinonychus only being able to do feeding frenzies and not being able to hunt cooperatively is based on an outdated understanding of modern animal behaviour.
Crocodiles for example can do one or the other as they see fit.
actually recent researches may make us think it was not a pack hunter , but tbh i'm not talking about deinonychus but velociraptor... but with the fossils it could be possible to know it
with chemist analyses of bones we can figure out what level of carnivor the animal was , a carnivor wich eat herbivors , or a carnivor which eat carnivors , or a carnivors wich eat carnivors that eat carnivors etc...
and with this method we discovered that juvenils raptors didn't eat the same thing than adults
and it's something we know about pack hunters animals , the adults and the juvenils eat the same things , so that make us thing that raptors didn't hunt in pack... at least velociraptors for what i know
@@muggensan8611
There are living pack-hunting animals where the adults and juveniles don’t live together in family units and thus don’t share food, however, so that premise is based on a false understanding of modern animal behaviour.
@@bkjeong4302 ok good to know , wich animal are you talking about?
@@muggensan8611
Humpback whales (live in social groups of unrelated individuals, not family units)
Sea lions (ditto)
Some seabirds such as African penguins and pelicans
Crocodilians (yes crocodilians sometimes do hunt cooperatively-the idea they’re only capable of uncoordinated feeding frenzies is out of date)
Various predatory fishes (even across different species in some cases)
The problem with the "experiment", using a pig carcass and the robotic leg, is that the speed of the strike is very slow. This of course affects both kinetic energy and momentum, probably giving a result that is somewhat on the low side. So, kick, slash, puncture or pin? All of them, depending on prey and circumstance? It was an interesting experiment though, and repeated, with better modeling of a range of muscle sizes and speeds, might be worth doing.
Ironic that the “terrible claw” would be so terrible at the slashing attacks it was famous for.
These people don't know jack; you can't infer behavior solely from fossil evidence, regardless of what comparative anatomists tell you
@bustavonnutz "don't know jack" they're the literal experts pal
@@bustavonnutz Yeah scientists, those idiots! us redditors know what we're talking about!
@@TheWhoamaters It isn't scientific to infer behavior from bones, anyone saying otherwise is full of themselves.
@bustavonnutz What are you even arguing for here, are you for or against the slashing idea with the claw?
The fact that these fellas existed will continue to bewilder me. What beautiful animals that we will always speculate on.
Nice to see a channel that isn't exaggerating the size and speed of these animals I've seen some sites claiming these dromeosaurs were the size of a Grizzly Bear and as fast as a Cheetah ffs. You earned my sub.
This animal was relatively small in size, can climb, has forelimb claws that are well designed for holding, maybe had feathers, and had large talons that are possibly best designed for pinning? Sounds like an ideal adaptation for an ambush predator to me. Tree's would've been perfect camouflage...?
And even if it was a pack predator, just imagine being a dinosaur grazing in a forest then it walks under a tree just to get jump by 2-4 of these things would probably cause it to run away instead of fighting causing more damage as they are chipping away at your flesh
Fun fact: Deinonychus could latch onto enemies and bleed them down and you could fine and take their eggs from their nest and if you raise one well it will get 30% more damage and take 30% less damage ;)
...Which game are you talking about?
Ahhhh, but it was fairly easy for primitive man to bola a crystal Deinonychus and make it a body guard, but they worked best in packs.
@@Xbalanque84 probably ark
I love the artistic interpretations. There's no reason not to believe that these things were as well insulated as modern birds.
I once saw a documentary about dinosaur feathers, and acording to that even non avian featherd dinosaurs already had all types of feathers, including flight feathers which must have had some other, at that time unknown, purpose for the flightless Dinosaurs.
@@Kaefer1973 heat regulation or a defense of quills.
LMAO 🤣 literally no different than religious depictions. This is confirmation bias at its finest. If they wanted to depict a whale hawk they'd just draw it 😂. "This whale had fin talons"
@@wayofthekodiak3118 Yeah, too bad that paleoart is usually made based on actual direct scientific evidence of what the most likely traits and appearance of the animal in question would be. While religious depictions are stuff like Jesus, a middle eastern man, being depicted as asian in korea.
I think the issue of comparing Deinonychus to pack hunting animals like wolves is that we’re comparing a reptile to mammals. And reptiles and birds have somewhat different social behaviours compared to mammals. And even today, birds don’t hunt in flocks as much as wolves hunt in packs. And I doubt Deinonychus went crazy in a feeding frenzy as I don’t find dinosaurs to be the ravenous eaters that lizards and fish seem to be. Again, I liken them to birds in that they won’t hunt together often, will bicker over a carcass like vultures, but won’t actively try to kill each other unless actively hungry or hunting each other.
I really like that u include so many different perspectives and lack of solidarity on the data. It helps ppl understand just how much the fossil record can teach us
Welcome back dude. Glad to see you give it another chance.
I hate how people base all their dinosaur knowledge on Jurassic park movies and accept the movie myths as truths and facts..real dinosaurs are so much more interesting and terrifying than in those movies
good ground hawk. Also Komodo dragons often hunt 'together' as well, in the same way crocodiles do. In that, they act as uncoordinated mob that will work together to kill a large animal using shear numbers by repeatedly wounding said animal. After the prey is dead and they start to feed, it then becomes a feeding frenzy as you said. I think its generally understood that this is the most realistic way Deinonychus would've taken down large prey, rather than anything more complex like the behaviour of wolves or lions, with these mobs being unrelated individuals with a common goal instead of a coordinated team and family unit with different roles in the hunt. The babies hunting different prey is also similar to Komodos, and unlike animals which live in tightly nit large families.
You don’t need to live in family groups to hunt in organized groups. Even among mammals, sea lions and humpback whales work organizedly in groups of UNRELATED individuals, and the crocodilian argument falls apart because it turns out crocodilians actually CAN hunt cooperatively (not all crocodilians feeding frenzies are feeding frenzies).
So the entire idea Deinonychus couldn’t have hunted in packs because it didn’t live in family groups was based on a false assumption about modern animal behaviour.
@@bkjeong4302
Crocodiles are a nice comparison, but I'd use them more for triassic dinosaurs or maybe earlier jurassic ones. Cretaceous dinosaurs, especially dromaeosauridae should probably be compared to birds, since just looking at a timeframe even modern birds alive right now are still closer to cretaceous dinosaurs than to the early Triassic Dinosaurs.
But either way I'd very much doubt we can tell for sure. We do know modern birds can act in very complex groups, but I assume we have not completely researched how exactly their brains manage it, and how to figure out if the brains of their non avian ancestors already had the same capabilities based on fossils alone. And even if we did know that cretaceous dinosaurs didn't have the traits of modern bird brains enabling complex group behaviour, we still couldn't eliminate the possibility that their brains had other characteristics leading to the same results.
We don't even know if cretaceous crocodiles had more or less complex group behaviour than modern crocodiles, since behaviour doesn't always evolve to the more complex.
Thanks so much for sharing you passion with all us folks.
Hello 👋 how are you doing?
Deinonychus are actually my favourite species of dinosaurs. It was feathery but also scary, intelligent, quick, and had that terrible claw, yet it is not as tiny as a velociraptor or as big as a utahraptor, making it my preferred size for characters :)
What makes this dromaeosaurid so different is that its hip bone resembles the Ornithischian design. Has there been any theories on the hip's advantages? What selective pressure could have caused that?
1:31 what a depiction, beautiful
Alamosaurus could be the last living titanosaurs in Mexico.
except mom's according to xbox live lol
Wow your voice changed so much over a year! The new mic is amazing too!
Amazing video 💪
Thank you for covers my favorite dinosaur of all time!
Welcome back! Glad to see another great video by you!
The true Velociraptor of Dino Media.
And revolutionized the way we think about dinosaurs.
I always saw pictures of Deinonychus with its head being at around 2m height, so it was always depicted taller than shown here. In the end it was not Velociraptor that was depicted in Jurassic Park, but Deinonychus.
the raptors of JP was closer to utah raptor than deinonychus
@@muggensan8611 The proportions were based on Deinonychus. They supposedly requested Dr. Ostrom’s published papers on Deinonychus.
@@muggensan8611 the Utahraptor was first named in 1993, while the Jurassic Park novel was published in 1990, and the movie released in 1993...the raptors in Jurassic Park were certainly not Utahraptors, they were based on Deinonychus.
Awesome video. Love how they look.
Nice video man!
This is the real raptor of Jurassic Park legend. This would have been what we ran from probably the most if we lived back in their time.
I wrote a song about Deinonychus when I was in the Fifth Grade.
One, one, they'll eat everyone
Two, two, they're rip and bite you
three, three, they can climb trees
four, four, they could figure out doors,
five, five, they like to eat things alive,
six, six, they hunt in packs,
seven, seven, they ate everyone in heaven,
eight, eight feet long with their tails,
nine, nine, if you bleed you won't survive,
ten, ten, they'll also eat all your friends.
*shrug* I was like 10
This is amazing and you are awesome. Thank you.
About Tenontosaurus and Deinonychus relationship, let's not forget that isotopic analysis have shown that Tenontosaurus were among the most common consumed animals by the Dromaeosaur. Though it could potentially have been juveniles for most, but given their methods quite similar to the ones of eagles and cats which are capable of taking down much larger preys, I think that a lone Deinonychus could potentially attack alone a relatively large Tenontosaurus and not only young and small ones.
I think it's a near certainty that these animals co-operated and maybe even flocked together like many modern birds. They would have held a similar niche to wolves. I doubt deinonychus was cannibalistic, but if one was killed in a hunt they probably just saw it as more meat.
While I don't discount the idea they COULD have been pack hunters. I don't think it's a near certainty. What if they were more like coyotes than wolves? Adult coyotes are predominantly solitary hunters. Typically "packs " are family groups comprised of mother and young of the year. Conversely, red foxes will sometimes hunt in mated pairs. We will never know with any degree of certainty how any dinosaurs actually lived. Much of the " knowledge " will always be based on speculation, interpretation and imagination. Not near certainty. Just sayin.😉
@@johnbuck2578 We'll probably never have enough evidence to be sure either way, and I'm approaching the question from the perspective of a naturalist rather than any specific scientific field.
Dinosaurs weren’t as smart to make complex hierarchy’s, it was probably a solitary ambush hunter
@@southstudios4425 DInosaurs definitely were that smart
@@flap.d.jack247 yes most likely troodontines which we’re still probably solitary, pack hierarchies aren’t easy to make.
Honestly Deinonychus is my favourite dinosaur so props to it
Fun Fact.
There was some debate on if Deinonycus and Velociraptor shared a Genus. This was happening around the time where Michael Crichton was writing Jurassic Park.
What about the Utahraptor? “Before the closely related Dakotaraptor was later unearthed.”
@@dylangeltzeiler946 the discovery of the Utahraptor happened during the production of the Jurassic Park Movie, but the Novel still have giant sized Velociraptors and they are clearly based on Deinonycus.
It is generally interesting that at that time Jurassic Park depictions of Velociraptor is fairly accurate to other Dinosaurs that are not Velociraptor
@@ryanhau1073 Just double checking, because I used to hear something about that once on the AMC Channel or something almost 2 decades ago when I was watching Jurassic Park on TV. Sometimes I cut the DVD a break.
Thank you very much for making & sharing this video - very interesting stuff! BTW regarding the robot claw slashing experiment, I remember that it was specificly about a Velociraptor claw (maybe I'm wrong?), but it then wouldn't necessarily apply to a Deinonychus' claw because kinda similarly looking bodyparts, even inbetween closely related organisms, can serve interestingly different functions.
Amazing video!👍
Truly my favorite dinosaur when i was a kid
That thumbnail out of context is incredibly confusing and terrifying at the same time
Really like the comodo dragon idea for why they or parts of them are found around prey. Would’ve been crazy to see a bird dragon acting like that!
You mean “Komodo”?
lol good catch, I was drunk 🤣
That portrait by Astrid Lian is magnificent.
Just imagining an attack of Utharaptor on a person chills my blood more than anything else. These animals are majestic and imposing in a scary way.
1:42 I have seen this Skeleton at the Museum of Natural History in New York. 4:20 Hey, that’s the Deinonychus from that Smithsonian Channel or PBS Documentary “When Whales Walked”. Plus, the other clips are from Jurassic Fight Club & Prehistoric Assassins.
Raptors are one of my favourite species of dinosaurs
This is what the raptors in jurrasic park were. In the early 90s it was still classified as a velociraptor. It was after the book and movie when they were reclassified. Which is why youve heard that velociraptors were much smaller than in the movie.
My favourite dino in path of titans
They're also good against boss battle, because multiple bleeding damage and bosses ignore them if you bring T rex or something big that district boss anttention. . ❤️
I'm here building a deinonychus for roleplaying games and taking this as a manual for what abilities they will have :D
Yessssss
With some many different depictions of the creature one or two of those pics looks they may have nailed it as to what they really looked like.
*Props to the camera man my guy had to go through alot 🗿*
03:20 looks like a plagiarised image to me. I have this image in a 1970s dinosaur book but with allosaurus fighting.
Anyhoo, nice video. This was my childhood favourite. I still pronounce it, Die-on-aye-cuss
I have an interesting idea about the different claw shapes, it could be the variation in claw shapes could make different individuals better or worse at different roles in a hunt. Those with more curved claws might be better at weakening large prey with slashes and those with straighter claws might be better at delivering a killing blow.
My favorite dinosaur ❤
I think that if the deinonychus was indeed a pack hunter which hunted down larger game then I think it's giant claws were used to hook into the flesh of the larger animal after leaping onto it, so when it bucked the deinonychus could keep on board so to say, eventually once a bunch of them had hooked themselves in this way the blood loss incurred by their powerful bites would bring the prey down. One of the little animations in this vid showed this hypothetical process taking place.
Now that you bring it up, it seems almost obvious that the claw in part was used like a rooster's spur. simultaneously dive kicking with both feet is exactly how their rooster counterparts fight
that thumbnail made me think paleontology just discovered they were larger then brachi 💀
Evolution makes that it may be faster than its prey . But not excessivly so, as being fast als has disadvantages.
Top 7 largest Spinosaurids
1. Spinosaurus- 8.3 tonnes
2. Suchomimus- 5.4 tonnes
3. Sigilmassasaurus- 5.3 tonnes
4. Vectispinus- 3.9 tonnes
5. Cristatusaurus- 3.8 tonnes
6. Riparovenator- 3.4 tonnes
7. Oxalaia- 3.3 tonnes
That’s probably the dinosaur that inspired the idea of “dragons”
What if it were both. It climbed trees and then ambushed prey by jumping on them, gliding a bit and stabilizing with wings. Then used claws to pin and wings to stabilize during struggle
Good suggestion. 🤓
Aren't the wings too small for an *actual* glide?
@@fabrizioart1928 Perhaps but they'd help you fall usefully.
@@tonytaskforce3465 for sure, I don't doubt that or idk, the use for stabilizing and running on incline, just talking of "gliding" microraptor style.
@@fabrizioart1928 Agree. Too bulky and beweaponed for that.
I'd like to see those puncture/slash tests
It's a HOLDER. Once they had those into the flesh, it gave them the mechanical advantage to 'hold and bite.' Plant with the claws, rip upwards. Then relax until the prey bleeds to death.
Raptor: Gotta go fast, gotta go fast 😎
imagine if that is how birds of prey today gradually developed flight? maybe they used to climb trees, wait in ambush and jump down on animals backs from the trees... gradually evolving wings & tails to stabilise its fall so it could land on a back more accurately.. and over time it developed into flight?
Easily one of my favourites…along with Acrocanthosaurus and my number 1…Thanatotheristes (The Reaper of Death)
Man some dinosaurs look hella sick with the feathers 😎 I used to hate it as a kid in the 90s when that came out like I couldn't believe T-Rex looked like a giant chicken and others like a vulture with lizard limbs...then ppl started making drawings and paintings and just how birds nowadays are full of colors that means dinosaurs wernt all just green,brown,reptile colors,they had colorful bird colors with and without "feathers",I don't believe they were completely bird like feathers but something in between
Looking at the bones and estimating tendon and muscle placement and force loads, it makes no sense that the big toe was at ease so far back. The range of motion suggests a lower point but also the animals would maybe prefer to protect the toe bean from damage while hunting or running, being mobile in general. Like tipping your finger while sipping tea or raising your big toe if you have an ingrown nail or something similar. However, to quote the guy, these are big chickens so I'm more comfortable with the theory that these talons were used in same species fights rather than death claws. Certainly they could have been used in kills, though I think, based on the bone structures of the feet, there would have been more slashing potential than anything like an eagle talon where puncturing wins the meal. The practical advantage just isn't there. Critters are weird so who knows.
Top 7 largest tyrannosaurids
1. Tyrannosaurus rex- 11.7 tonnes
2. Mcraeensies- 8.8 tonnes
3. Zhuchengtyrannus- 7.1 tonnes
4. Alamotyrannus- 6 tonnes
5. Tarbosaurus- 5.4 tonnes
6. Suciasaurus- 5 tonnes
7. Daspletosaurus- 4.1 tonnes
I hope we're right on feathered theropods cus it's too cute to go back.
Fun fact (probably): Deinonychus was actually what the velociraptors from Jurrassic park were inspired by, or even exactly like. Micheal Crichton just changed its name because “Velociraptor” just sounded better.
Crichton didn’t change the name because it sounded better, the ingen scientists in the book changed it to sound better. It was supposed to be an indicator that Jurassic park didn’t know what they were doing
Oh okay
Look up the red legged seriema bird, it has a claw almost identical to Velociraptor and Deinonychus.
i love it
Alt title for this vid: the dinosaur that changed everything
What footage is that in the beginning?
This is the video reddit was talking bout
Crazy bird...
Лайк оператору, не зассал
Small carnivores are underrated.
No more slashing.
Talk about Spinosaurus, please
0:10 ive seen that skeleton at the Field Museum in Chicago!
0:34 I like how the artist colored the snout of Deinonychus yellow to give the appearance of a beak. Come one, let's not force something that wasn't true.
I can’t believe the experts can’t see the reason for its claw. It’s agreed that they hunted in packs and wasn’t the biggest of hunters and the suggestion that the elongated foot claw was used to climb trees was not it’s purpose. They hunted in packs and were great jumpers so they used its talon to CLIMB the bigger prey in a coordinated effort to inflict deadly damage and bring it down. So simple to see
Agreed they hunted in packs by WHO?
Estimated between 215 and 160 lb.
That's kind of funny to me because I used to have a weight problem and that's what I used to weigh verses what I weigh now
Congratulations on your weight loss 😊
@@sampats89 (thanks) it really does go to show how much an animal's weight very. Not that I would think a dinosaur would be obese. that's something only mammals seem to do. Lol
About same for me too!
@@SoulDelSol well done, that really is a life accomplishment.
Those who haven't done it can't really understand, some people's bodies just want to be fat and it takes Eternal vigilance of how much and what you eat and exercise.
It just always has to be on your mind.
Food is an odd diction to deal with because you can't necessarily stop eating unless you're doing an extreme fast.
I am a huge fan of the first Jurassic Park movie....I am still irked about learning that velociraptors were actually small scavengers...
The point being, while not being real fast, Deinonychus was faster than it’s food, about one in ten times anyway.
Modern dinosaurs use claws like that, mainly for inter-species sexual display, like cock fights.
What about the velociraptor discovered 4 decades earlier?
I'm still annoyed to this day they called them Velociraptors when they were obviously based on Deinonychus. The audience is stupid, those who aren't stupid just don't get annoyed at little things like I do I guess. I just don't understand how "the audience will like this name more" is better than "the audience will see how badass this is and go look it up if they don't already know".
The mental image of a giant bird, pinning me down with giant claws and biting me hard enough to puncture bone is not a very fun one
He looks huge here
OK, I don’t care how many people say. They didn’t work together we know from trackways and nesting sites. The dynamic is lived and haunted. At least some of the time in groups. We have evidence for that.
So did the deinon kill teno but teno kill dienon or like how are there skeletons beside each other
Could the claw have been dual-purpose - climbing and pinning?
Best dino to slay a dragon