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Dontknowwhattodraw94 — The not that swift thief
Published: 2014-03-02 11:18:17 +0000 UTC; Views: 2702; Favourites: 97; Downloads: 30
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Description
Velociraptor mongoliensis, the two metre long dromaeosaurid from Asia. Being featered and as big as a turkey he doesn't look at all like the scaly badasses from Jurassic Park.Also he wasn't as fast as in the movie so the 'out in the open they can reach speeds of 80 km/h' or something like that quote is wrong. He was way slower, probably around 40 km/h... but that doesn't make any difference, you're still dead if he sees you as potential prey... or at least wounded (by the way there's no evidence for pack hunting behaviour for Velociraptors, it's just speculation)
Here you see him leeping on a small bad luck mammal.
Ref used: www.skeletaldrawing.com/therop…
My scanner screwed the colours, the original has a more cheetah-yellowish colour...
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Comments: 57
Sorry, but 60 mph is way too fast. Velociraptor doesn't have the build to come even close to that speed: short legs, short metatarsals, no special adaptations regarding the muscles in the tail for locomotion.
If you want to know you if a dinosaur was fast you should look at those parts of its anatomy. Look at the legs of Ornithomimosaurids, Alvarezsaurids or those of Australovenator or Carnotaurus (this one also has the special tail vertebrae for bigger muscles) and you'll see they look nothing like those of Velociraptorines. Velociraptor wasn't build for extreme speeds, it was definitely faster than us, but not comparable with real fast running theropods. They were very agile though, that's their specialisation.
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It's legs weren't that short; I gave an estimate about at least 60 because that is how fast a Cheetah can run, besides the Serval is just as small as the Velociraptor and runs around that kind of speed; plus they're good of been special foot padding that was adapted for Velociraptor to persue it's prey; that is what was found in Allosaurus; it had a special padding of tissue or hairs that gave it the element of surprise to be a silent hunter; pretty much like Tigers living today.
Plus looking at the anatomy I could already tell V.raptor was a fast little devil and so were the other theropods you mentioned; might be as fast as a Gallimimus, but it probably could keep up with one especially in a pack. Velociraptor's tail is also made for great running as it acts like a steering point for the dinosaur to take sharp turns like the Ornithomimids; one small problem is yes Carnotaurus is a fast runner and has specially adapted caudal vertebrae within the tail, but it wasn't a good steerer and though a Velociraptor's build is different from a number a theropods, all raptors were made for speed; if it wasn't for that then hunting would be more difficult and the build of a dromaeosaur would've less progressed into a stockier build, all coelurosaurs were made for speed among other things even if some are slower than others. Take this a human, approxiamte speed is usually 6.0mph yet some people have been able to break that chain to go further beyond to even run as fast as the mighty Tyrannosaurus; and frankly looking at our leg structure it wasn't too much built for such high speeds yet were able to do it.
My view on this is that if I take study anatomy in close observation and compare them to animals of today along with mechanical pieces of technology we have. Which comes to my point; if built a mechanical Velociraptor like how they did with that robotic Cheetah as a demonstration on how fast the animal really ran (like how they demonstrated the mechanics of dinosaurs in The Truth about Killer Dinosaurs) then most certainly enough Velociraptor could maybe even pass the boundaries of what this paleontologist is saying, I mean if you legs of an Ostrich they run pretty fast, but they can only clock at speed of 43mph (the same mileage as the old T.rex did) which is odd comparing to the Velociraptor's short legs, so it might also have had to do with the breathing chambers they had as well.
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They are quite short if in comparison with the body if you look at Alvarezsaurids or Ornithomimids.
Cheetahs are indeed build for running. I don't know anything about the top speed of servals, but those cats have a completely different style of hunting than cheetahs, they jump more than that they do extreme bursts of speed of over hundred meters.
I don't know anything about the footpads of Allosaurus either, but it's indeed logic such a large animal had them: elephants have them too. However, that doesn't say anything about speed because Allosaurids were relatively speaking slow runners at about 35 km/h (22mph) because of the prey they hunted: sauropods, stegosaurs and camptosaurs weren't fast animals either.
Speed isn't dromaeosaurids their specialisation. Yes, animals like Deinonychus or Achillobator might have been able to run faster than Velociraptor because their build is again different, but specifically Velociraptorines or Utahraptors weren't the JP speed freaks. Dromaeosaurids in general are actually more build for wrestling prey than speed, think about the Raptor Prey Restraint model.
I'll give you this link where the anatomy of certain types of Coelurosaurs are compared with those of Dromaeosaurids, the whole anatomy thing gets explained there, because I noticed I didn't tell it you correctly after I reread the article: dinogoss.blogspot.com.ar/2011/…
I wouldn't compare the speed of the average person with that of an athlete who has been training for years to reach that speed. That doesn't make sense to explain why a Velociraptor might've been faster than the estimates that have been made: no animals' purpose in life is to break the record to win prizes, catching prey is enough with natural speeds.
The ostrich's speed of about 70 km/h (43 mph) is really fast for a land animal. I can accept ornithomimids could've been that fast since their build is quite similar to that of ostriches, but a Velociraptor is a no because of that article I showed you.
The estimates of the old T. rex have nothing to do here, because they're wrong. We now know it ran about 30 km/h (20 mph) as far as I know which is fast for us of course, but not fast in the animal world. An elephant is even faster.
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First off all the mentions were just examples to hold the support that maybe Velociraptor could run faster; an Allosaurus may not have been the fastest meat-eater of the Jurassic, but I'm just giving you an example on the structure of an animals speed may differ. Besides a Camptosaurus is a pretty fast animal; that is saying a lot for an Iguanodon...if Allosaurus had resulted into ambushing then it must of been fast.
And yes I know a number of raptors are the confronting type, but Coelurosaurs are built for speed, they're bird-like legs having in different individuals they can run pretty fast depending on the dinosaur and the majority of them have hollow bones, they wouldn't need this if it wasn't true; we covered this. Among "other things" speed is a main factor in the Coelurosaur family its they're trademark, the only Coelurosaurs that can't even run fast are the Therizinosaurs, but one point they were fast runners just like they're carnivorous/herbivorous descendants (and I mean the other coelurosaurs). And comparing people to these guys is just like that it depends on the individual...I didn't say all people could do this, but it is a good comparison. Hence my point of the Ostrich, it has long legs, but can only run a certain speed of 43 (hence the emphasis of "Old T-rex", I already a Tyrannosaurus can run at a speed of 20mph); yet why it that a bird with such long legs only clocks a speed of 43 and not 60? So it's possible that if we used a mechanical Velociraptor robot to clock the speed of one it's possible that V. raptor can maybe clock a faster running than that, bears despite with they're short stumpy legs can run 34 mph and that's faster than T-rex. And we have no live evidence what a Velociraptor's top speed is so it's possible these guys could run faster...with a four chambered heart to help regulate all that breathing and temperature control; it's likely possible. I'm just saying...
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It's still a maybe and the article I showed you explains why its anatomy doesn't allow to run as fast as a cheetah.
And no, Camptosaurus didn't run fast, its speed is estimated at 25 km/h (16 mph) which is 10 km/h (6,2 mph) slower than the Allosaurus.
The hollow bones is just weight reduction, allowing them to become so big. That Coelurosaurs have bird-like legs doesn't mean they are speed demons: Carnosaurs have those legs too yet, with the exception of Abelisaurids, they're slow. Pigeons have those legs too, yet if I do a slow jog I run faster than a pigeon. It's the ratio of the lower leg bones to those of the upper foot bones that dermines if a bipedal animal can run fast as explained in the article.
Bringing up cheetahs and bears are no valid argument because they're not bipedal. Their locomotion is way different than those of bipedal animals, let alone non-avian theropods.
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Then why is it so hard for an Allosaurus to even catch one; why does an Allosaurus resort to ambush hunting more? I'll tell you why because Allosaurus has the limits to catch a running Camptosaurus; so it maybe slower than Allosaurus, but if Allosaurus misses the catch then he loses his prey; this is my hypothesis the Allosaurus is an ambush hunter and being second smartest dinosaur just above certain Coelurosaurs I've come to discover that just like a Tiger; Allosaurus when prey must of used the environment in order to get the up turn on Camptosaurus. Yeah sorry about one thing I had forgotten Allosaurus was a faster runner, but still Camptosaurus did manage to outrun them I know that for sure.
Yes they we're, but it also made though move faster now wouldn't you agree? Regardless, Coelurosaurs were generally speedy and by that well they started out small and fast, your term using "speed demon" is in poor context dude. And the example of using a Pigeon is very poor because Pigeon weren't built for running; in fact a pigeon's legs are more shorter than a raptor's and they were precisely made for aboreal life, if you used a Roadrunner that be a perfect case. And thing about bears not being bipedal that is wrong since Bears are some what good on walking on two legs; they can't run, but at least it puts under the category bipedal. But it's still a good example when it comes to speed since they Cheetahs and Bears can run just as fast Velociraptor especially when come to the stoutiness of the leg bones. If Velociraptor couldn't run at least 60 then I estimate them to at least make it up to 50 if at top speed.
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Of course Allosaurus used its environment to hunt, every predator does that and of course Camptosaurus escaped probably from time to time. That's natural selection doing its thing. I agree on that, but what has this to do with Velociraptor's speed?
Did you even read the article?
It's the ratio of the lower leg bones to the upper foot bones that determines if a non-avian theropod was fast or not.
Using a pigeon is a good example, because if you compare its leg size and ratio lower leg/upper foot bones with that of a roadrunner or ostrich or whatever bird that's made for running you'll see that that ratio differs. if you compare Velociraptor's leg bones with those of a roadrunner you'll see that these ratios differ too. Velociraptor wasn't made for running like an ostrich or Gallimimus, it was manoeuvrable and made for wrestling prey of the same, if not even more mass.
Yes, bears can be bipedal too, but did you ever see a bear reaching 35 mph or 60 mph on its hind legs? Don't compare the speed of something running on four legs with the speed of something running on two legs as an argument to say a bipedal animal that lacks the anatomy to reach high speeds, could reach the same high speed as a biped that does have the anatomy. Biped and quadruped are two very different forms of locomotion, anatomically speaking.
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That Species looks like easy to Pet and feed it at home as DinoDog !
Awesome Art as Usual from a Talent !
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Nah, I don't think so. Petting a theropod with enlarged claws and teeth isn't very smart
Thank you
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Well; The Cat's claws are rasped and/or Cutted; So maybe same for this Guy Lol !
Very Welcome !
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Still teeth you have to deal with...
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Just like Dogs... With Feathers !
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Something I just realized:
It is because they are slower for their size that they make good pursuit predators, because they can actually turn/jump/dodge while chasing prey.
No use being fast if you can only go in a straight line. Agility, not speed is the hallmark of a pursuit predator and these things sacrificed some pointless speed for agility that was actually more important in chases.
Basically, the same reason goshawks have a slightly higher hit rate than peregrines despite being slower.
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Yeah, that's actually true the way you explain it, I think. It makes sense.
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I personally see things like T. rex (which is a faster runner than Velociraptor for its size) as more of an ambush predator, because if its prey saw it and started making evasive manoeuvres (other than running away) it isn't going to be able to follow.
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I always saw it the other way around. Dromaeosaurs, with their enlarged hyper-extendable claws, seem to have been specialized as precision-striking ambush hunters, like cats. Tyrannosaurs, which were adapted to running and used only their bone-crushing jaws to kill, were more suited to chasing down their victims, like dogs or hyenas.
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In open country that would be the case, but think about how slower but more agile predators (think mustelid) can lock onto the target and use agility to pursue and outmaneuver fast-moving prey.
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Well, Velociraptor DID live in open country.
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Yes but I'd imagine it stuck to scrub or canyons where its agility would give it the edge leaving the plains to the tyrannosaurs.
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But Velociraptor and the local tyrannosaurs (Tarbosaurus?) weren't exactly overlapping all that much in ecological niche. Velociraptor was only about 6 feet long, and mostly hunted prey smaller than itself, whereas tyrannosaurs went after big herbivores like hadrosaurs and ceratopsians. They could easily have coexisted in the same environment.
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There would have been juvenile tyrannosaurs.
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Well, tyrannosaurs--especially juvenile tyrannosaurs--seem to have had a leg anatomy similar to that of ornithomimids, which were most definitely cursorial. Looking at the legs of dromaeosaurs, you see a much thicker, more robust structure, one built for stalking and pouncing on prey and stabbing it with the giant claws.
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Exactly. Niche partitioning. One keeps to open plains the other to cover, one uses speed other agility.
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Well its probably 50-60 km /h
and there is no way in hell you could outrun it even if it was not that fast.
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The lowest estimate is 40 km/h so I'm going to keep it at that to be safe.
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You can. But I won't be surprised if 60km/h was the top speed.
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I wouldn't be surprised if Velociraptor could hit 45 miles per hour (72 km/h).
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Of course, me neither, you can't just tell the exact speed of an animal by its fossils. It's even difficult to measure the top speed of our current animals.
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I like this drawing,
I know that velociraptor is not a horse sized "raptor" as often depicted in mainstream cultures.
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The film version is closer to a plucked and malformed Achillobator
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I know. Actually there are dromaeosaurids who are large like a horse or an human.
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Thanks
Indeed, it's a turkey-sized animal.
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Whoa! Good drawing of Velociraptor chasing and trying to catch a mammal! Is the mammal the placental Zalambdalestes or one of the multituberculates?
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Thanks 
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You're welcome!
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I don't think humans would be outrunning them, but 80kph is probably exaggeration.
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Uhu, 80 km/h is way too fast but I got my information from this: dinogoss.blogspot.com.ar/2011/…
There isn't given an exact speed for dromaeosaurs in general or velociraptor in specific, but in the end there is this joke about escaping from the JP velociraptors with a light jog. I don't take it literaly but lets say that if Laura Dern sprinted away I think she might be able to outrun them (I think... that's why I said "probably we were capable to outrun them" in the description).
I even read somewhere (but I don't know anymore where that was) a kid would be faster, but that seems just too slow in my opinion.
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even if she sprinted she would be caught.
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Well, a mix of the two, modern estimates put most raptors in the 25-30mph range. Way faster than most humans, but not nearly cheetah speed.
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Any idea if this counts for Velociraptor?
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Velociraptor was found to be one of the faster ones. With 25mph being a lower bound estimation.
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Okay, thanks for the information
I'll edit that in the discription.
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The whitish color still looks nice, it's an awesome picture.
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You're welcome.
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