Therizinosaurus: Your Dinosaurs Are Wrong #11
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- เผยแพร่เมื่อ 7 ก.ค. 2014
- thegeekgroup.org/ - Local member Dale was kind enough to donate this episode's toy, which turns out to be pretty accurate overall, but with a lot of little inconsistencies. Therizinosaurus is a specimen that doesn't actually have a lot of concrete specimens to draw knowledge from. But, thanks to cladistics and related genre, Steve is able to infer a lot about the creature to paint a more accurate picture!
Video Links:
02:11 www.plosone.org/article/info%3...
05:10 en.wikipedia.org/wiki/Converge...
05:49 www.flickr.com/photos/58554451...
08:06 www.researchgate.net/publicati...
08:11 rspb.royalsocietypublishing.or...
11:34 rspb.royalsocietypublishing.or...
12:59 www.pnas.org/content/106/3/832...
13:05 www.pnas.org/content/106/3/832...
15:05 markwitton-com.blogspot.com/20...
If you would like to send in a dinosaur for Steve to look at, please ship it to this address:
Steven Bellettini
c/o: The Geek Group
902 NW Leonard Street
Grand Rapids, MI 49504
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Based in Grand Rapids, Michigan, The Geek Group provides access to science, technology, engineering and math by developing programming and facilities for individuals and institutions to learn, explore, innovate and play at an independent pace according to their needs. The Geek Group has many thousands of members scattered across the globe, in every state in the US and one hundred and forty-two countries. Come help us build Awesome!
Well, two birds with one stone is much less impressive when compared to the mass extinction of the dinosaurs... that's a lot of birds with one rock
Well, they weren't birds yet. I still laughed though
@@leminjapanthey werent? i thought birds evolved in conjunction with pterosaurs..
to be fair it did split into a bunch of rocks when it hit the atmosphere but still, bird to rock ratio is still absurd
@@leminjapanin all likelihood at least 2 birds did actually die in the event of
Toy company: All right, this guy has been complaining about how our dinosaurs don't stand up the right way, but I think we got him this ti- what... What... WHATWHATWHAT!?!
the people that made dat theirizinosaur toy was actually ''SAFARI''
Yeah, safari tend to try on their toys regardless.
I know right? Therizinosaurus takes everything we are told about dinousaurs and throws most of them out the freaking window.
There iz no saurus
maximaldinotrap theropods*
I like how he pauses before he speaks. Shows how he really thinks before he says.
Also because it's not scripted, unlike ~95% of other science content I've seen on TH-cam.
It's also really cute
Well i dont
It's calming
Mans is big brain
The Therizinosaurus really is the platypus of dinosaurs.
Deinocheirus: Am i a joke to you?
Look up Deinocheirus.
Nah, Spinosaurus is more like the platypus of dinosaurs, Therizinosaurus is more like the echidna
No that would be Spinosaurus
I'd say that honour belongs to _Deinocheirus._ Even has the duckbill!
"Don't discount the fluffiness" Words to live by.
i just recently discovered this wonderful man and i am 100% obsessed
and its so sad to see that this videos are "old". like this video is from 2014!!!
They have their own channel now (and have for about 2 years or so)!! Look up Your Dinosaurs Are Wrong in the search bar!
I showed my little sisters that picture of the floofy Therizinosaurus and one of them said "It looks like a fat emu!"
And I responded with "It kind of _was_ a fat emu XD"
Lololololololololololol
A fat fireemu
Lol a fat emu
ECKS DEE
Looks like a giant pigeon
The irony that the one time they made it correctly parallel to the ground.... it was upright
This dinosaur is weird as shit, I love it.
Also, THE FLOOF.
+Bewilderbeastie super turkey danger floor!!!
THE DANGER FLOOF its to bad there will not be many dinosaurs in the isle
+FireFoxbattle 253 there are gonna be so many what are you talking about
Yes the danger floof/fluffy bottom
(screech)
From now on I will also call 'Ground Sloths' 'Elephant Bears'.
Such the best name.
Big Dickinson Well, the name ground sloth is kinda already used..
Speaking of a "giant ground sloth" niche, the therezinosaur Nothronychus actually means "sloth claw".
the tickle chicken
Oni Follower another ark boi i see
most terrifying herbivore in the game
TICKLE TURKEY
Lupe Lopez I hate those things
Fear the death yawn.
that has to be the cutest entrance yet.
Garnet!
HHS // Hot Hot Sauce oh u again
Oh.... Hi.
you know what's funny? HIS FACE MAN! XD
Parauarolophus.
YOU DID DANGER FLOOF!
The bizarre group of really odd features slapped together into one animal makes Therizinosaurus one of my personal favorites.
You had me at the bit where you corrected "advanced" to "derived."
Truly a man after my own heart.
You don’t know how confused I was when I was taming one in ark and it ate fruits 😂😂😂😂😂. Biggest wtf ever
I encountered on my 1st day on ark and I already knew it was a herbivore so I approached it with my dilo cuz I thought herbivores weren't aggressive. Then it took me and my dilo down in 2 secs...
Something I like to imagin the Therizinosaurus using its claws for was marking territory. If you look at lions, bears and other large predatory animals, they do this. I could see this animal using its claws for marking ones feeding grounds.
I've never heard of a herbivorous animal marking it's territory.
Deer do it.
Homer the Triceratops white tail for sure do it
+Homer the Triceratops Surely you've seen hippopotamuses flicking dung about with their tails, or rhinoceroses practically hosing down areas with their urine, to mark their territories?
I don’t think it’s enough justification for those giant claws, but it’s certainly a possibility, just more of a cherry-on-top thing than anything else.
I love the all yesterdays Therizinosaurus depiction. They had it heavily feathered, so that with its more upright stance, they seemed almost robed in black feathers, and they had given them a long prehensile tongue and that them stretching their heads and tongues up to feed on leaves. Stretching entirely with the neck instead of the theory some people had about its claws being used to pull branches.
Who does the amazing animation?
Steven does!
and steven is awesome
Compliments. They are as neat as asthetically satisfactory. Well done sir!!
Kill two birds in one stone?
There's only one bird in your hand.
Unless you want the T. Rex and Dakotaraptor in the bush... but it's not worth it...
+Dravern No one could throw a stone hard enough to kill a T. rex...
Josh Ray Depends on what your definition of "throw" and "stone" are...
***** Depends on the size.
Suddenly, everyone's talking about killing large feathery theropod dinosaurs.
+Josh Ray Falling Meteor?
"Anything that makes it more likely for a creature to mate gets passed down so... don't discount the fluffiness". Such a great sentence xDDD
Please do a whole episode on where feathers came from, and why, and when, and how.
I could listen to this guy talk about dinosaurs all damn day
I really don’t know how these videos are popular. This is the kind of content that TH-cam needs. It’s a masterpiece with wonderful detail and animations
I think the claws had multiple uses
foraging, defense, marking territory, digging nests, and/or fighting over a mate
What about demolishing anthills , termite mounds or beehives?
They were obligate herbivores. They couldn’t eat insects. Plus they were too big for insects to make a difference
Please do the "whole episode on where [feathers] came from"!
There is something really charming and kinda cute about him, is that just me? I like how they edit these in a way where we get to see his thought process, he’s very real and decisive in the way he speaks and articulates. The bloopers at the end are great 😂
Time flies when you're watching YDAW.
So, when you have a 2 year old steadily getting new dinos, and mastering their names and identifying them.....it behooves the parent to check out this guy ☝️who will let you know how to pronounce Therizinosaurus, as well as classify it with Therapods and maniraptors.....so the baby doesn't keep calling it a velociraptor when it's clearly not
Easily my favorite series on youtube!
Agreed. I can't wait until we can get Bellettini-corrected dinosaur merchandise to go with it! (yes I know the 3D-printed ones are available on thegeekgroup.org, but I want full injection-molded-and-colored ones.)
"I get to kill two birds with one stone."
Cladistics puns! XD
I was always under the impression that Therizinosaurus had sloth-like claws without a sharp edge that used them to pull down high branches. It does make more sense that they weren't used for this because they have such a long neck. I always thought that the claws couldn't have reasonably been used for defense as they appear too big for this purpose, but now that I realize they weren't for the previously mentioned purpose, this seems to be the case. Maybe they really did use them like scythes to cut plant matter for food? maybe they used them for opening certain seeds? Therizinosaurus seems to be one of the most ambiguous dinosaurs as they defy the given laws for theropods (carnivorous, horizontal posture). I still feel like I don't quite understand this animal. I feel that there simply must be more that we have yet to learn about this animal. Thank you for displaying everything we currently know about this creature.
So calling Therizinosarus a, "Danger Floof" wouldn't be wrong?
no it wouldn't be wrong.
Cretaceous; the world of fluffy feathered poofs that have abnormally large claws and another giant feathered floof with a bite force of 6 tons.
Not at all
Daniel Price stabby*
No not really
Love the show! I'd definitely love to see an episode on the evolution of feathers I think that would be great!
So... Therizinosaurus is a big herbivore derived from a carnivorous lineage?
Cretaceous floofy pandas.
Maybe, like sloths, it used those claws to climb up trees and it's posture could have allowed it to perhaps more comfortably climb up trees. I can't really imagine it climbing incredibly high, but maybe thats why it had a long neck, to reach good leaves while in trees. However I could be wayy off. Just a thought I had in mind.
This seems like it might be a really cool angle for generational (life stage?) niche partitioning, like baby Komodo dragons being arboreal until they grow too heavy. Little therizinosaurs clambering around in the branches with their baby claws.
This is one of those creatures that you’d more expect to see on some distant world or another dimension. It looks so alien to anything we’ve come to understand about life.
I really like this show, for real. I learn a lot, but I think it would benefit from having a more developed script.
nah, i like he pauses
zedasilva3 you aren't learning a thing... you are being indoctrinated
I agree.
I like it this way though, it's like an university professor giving his paleontology class
how?
I am absolutely enjoying this series! Great job and I'm excited to see what comes in the future.
I would LOVE an episode all about the origin of feathers!!!
I was thinking while watching this one about how to make a balanced bipedal theropod dinosaur toy and I thought about having a hollow within the tail and body of varying thickness to make the weights of each balance across the hip so that the toy would balance correctly. Not sure I'm conveying my meaning terribly well nor if that would actually help solve the problem.
Separately, I think this is my second favourite video in this series so far and if you did do a video on the envelop meant of feathers I think that would take it's place, maybe even give old Dimetrodon a run for it's money (as that is my favourite of your series).
Therizinosaurus: So, in about 66 million years, there is going to be this guy named Steve, and he is going to take dinosaur toys, and mention the posture is that the hip for theropods should be parallel to the ground, I'm going to change that
Tarbosaurus, T-Rex, Allosaurus, Deinonychus, Velociraptor, Albertosaurus, and every other theropod: How?
Therizinosaurus: My hip is going to be like a tripodal dinosaur toy.
Tarbosaurus, T-Rex, Allosaurus, Deinonychus, Velociraptor, Albertosaurus, and every other theropod: BRILLIANT!!!
*66 Million Years Later
Safari limited gets it right/wrong, Steve is kind of surprised
Fossilized Therizinosaurus, Tarbosaurus, T-Rex, Allosaurus, Deinonychus, Velociraptor, Albertosaurus, and every other theropod: Awwwwww.....
Therizinosaur is what happens when T-rex's vegan cousin has had enough of its $#!t and was all "Oh yeah! well do you even lift bro?!" and so grew massive clawed arms to dunk on T-rex's mini ones.
0:59 oh I thought it was called Madeinchina
Great stuff man. Thanks. First video of yours I've watched.
Love the reflection in the white board of the half empty bottle of Absolute.
love your series, i tell all my friends about it, keep making more you good thing you! :)
What a fantastic find!
Some binge watching of this series is in order for me.
These videos are amazing. I'm on a binge right now. Please do nodosaurus so you can talk about that unbelievable fossil that was unearthed a few years ago.
Therizinosaurus is one of my favorite dinosaurs, so seeing stuff like this is really cool. Thanks!
The case of Therizinosaurus and Deinocheirus as (probably) obligate herbivores descended from a very carnivore-aligned group is a very nice example of evolution. As the late cretaceous Mongolia lacked the large ceratopsians and titanosaurs that roamed Laramidia, Maniraptoriformes evolved into the now vacant niches. I wonder what differentiated the niche of Hadrosaurs from the ones the other local megaherbivores, as those can be found as very massive forms (Shantungosaurus in Asia, Edmontosaurus in NA) in both habitats. Has anyone done research on that matter?
On an unrelated note, the feathers on the model connect to the third finger, while the arm feathers on theropods connect to the second finger.
deinocherius ate fish too as well. Found In its guts
I have to say I'm impressed, you managed to teach me new things on a dinosaur which I've learned a lot about (due it being my favorite)
I love going back and rewatching these while waiting for the one new episode per year 😂
This channel is the best thing happened on my feed
This thing probably looked like a big, gnarly Silkie Chicken😂💕
Subscribed. I am impressed with this my first of your videos. I see this is 2014. I hope you are still making them
Paleontologists: Okay so we've determined that all therapods held their bodies with the spines horizontally.
Therizinosaurus: I'm gonna pull a sneaky on ya
Bravo. I enjoyed this tremendously. Very educational.
I like the way this guy rambles. Like he just knows a ton of stuff, and has to say things as he thinks of them, and "oh, yeah, I forgot to mention *THIS REALLY AWESOME THING*"
I also want to see a committee meeting with this guy and some other paleontologists designing a dinosaur toy, with an artist drawing it on-the-fly. Then I want to buy that dinosaur toy, along with a copy of the debate transcript. THAT is the kind of TV I want to watch.
0:57 More like 'kill two maniraptors with one video.' From this day forth, I'm extending bird to include all maniraptoriformes!
huh?
Do you mean "I'm extending maniraptoriformes to all birds" ????
Are they called maniraptors because of their insane manicure?
@@mrbigoofs9820 As in, informally extending the definition of bird to include maniraptoriformes.
Therizinosaurus is Mongolian, AND is the exception to the parallel to the ground rule?
Well, all theropods had the hips parallel to the ground, EXCEPT FOR THE MONGOLS
*But what about Tarbosaurus*
EXCEPT SOME OF THE MONGOLS!
So a T-rex sized pigeon with the largest claws in the animal kingdom? Cool.
Thank you for uploading on my birthday
On the roosters, and puffing up their neck feathers, they do that mostly to intimidate other roosters, potentially to look larger and scarier. I see it all the time with my feathered treat eaters at home.
If there's more than one rooster in a flock, one will sometimes be going up to bug the other one, and the other one is having none of it, so the fight display starts. Usually, that's all it takes to end the event, but once in awhile, there will be a bit of a scuffle. Then, the one that started the "argument" goes back to his little group, leaving the "boss" to go about his day in peace, again.
When the display happens, though, they will puff out every single feather on their necks, from the ones long enough to "puff" right behind the skull all the way down to where the neck meets the body, itself, all the way around the neck. Their feathers stick straight out. Well, unless they're the heavier, longer pointed feathers (called the hackles or hackle feathers) that indicate that they're adult males, which go outward and then droop as they thin at the ends.
They look ridiculous when they do it, to us humans around here, but they apparently say a lot to each other with the displays.
As for display for mating, those feathers just don't really come into play for wooing the hens. They instead do this little dance, where they drop a shoulder and wing low, toward the hen, and do this little shuffle step sort of dance. Then they stop, look for something to offer her, like a piece of food, and make a little clicking sound that seems to say, "here you go, I got this just for you. Please enjoy it."
It's amusing to watch. Even moreso when they do that dance to something that's not a hen of their species. I've even seen them do the dance to mammals like a dog or even one of us people! 😄
Our tom turkey's display is totally different, but I won't describe it here, since this is already really long. But this is my little offering of information on my own personal dinosaurs for anyone who might be interested!
Talk about Deinocheirus!!
I remember this toy! Safari Ltd's second attempt (MUCH better than the first, actually. I'm surprised that's not the one you're reviewing) I hope better ones come on the market. I want to say this one is from 2008.
I think it mainly needs a better posture, more feathers, and a brighter paint job
Found this video since I play ark. Therizinos are one of favorite dinos in the game and boy they look a lot different than what you describe lol.
Megatherium : I have the biggest claws on Earth
Therizinosaurus : Hold My leaves
13:50
..why have I just imagined a therizinosaurus fully covered in Steven's hair
i feel cursed now
Love your videos i learned a much
I have the same model! I've collected a handful of these little guys (Giganotosaurus and Amargasaurus are a couple of my favorites) and it's interesting to see your critique 'cause I also thought the Theri looked a little weird - much less than the Velociraptor, but still weird.
You're having way too much fun with that fire engine at the end
15:03 That is the cutest animal that could use its fingers to easily disembowel me that I've ever seen.
OMG, can you imagine a creature the size of an elephant doing a mating ritual like a prairie grouse???
In have the same exact toy, I'm excited to see it picked apart
Maniraptor wrists were an adaptation for climbing, as well as the long arms, finger claws, "terrible claws", flexible neck, splayed legs, et cetera. Basal maniraptors were arboreal, and possibly gliders. Later maniraptors developed into birds and larger ground dwelling forms.
Your best episode. Please do one on integument. That would be really interesting.
Recently got my hands on a Schleich Therizinosaurus figure and i was fun to come back to this video and follow along with it. It's head is definitely big by all accounts and has no cheeks, but it's posture and claws seem pretty accurate, yeah! Even cooler is that, it's seemingly/roughly to scale with my tyrannosaur also from Schleich.. xD
Please do a video on carnotaurus, I have seen some really bad plastic models that do a bad job of portraying it... :(
Gosh! Detailed.
A lot of knowledge.
Just me but I think those claws serves something of a combination of Deer Antlers, Bird Wings, Hippo Open Mouth Intimidation, and/or Anteater Intimidation/Attack.
For one, Deer Antlers coz maybe they use em for mating. To compete with other Males or to also Attract Females by maybe which competing Males can dish out the most damage or which one has the longest claws. Bird Wings coz maybe they attack by flapping or clapping opponents with it and using them similar to that of Anteaters. And they probably intimidate foes by opening it and making themselves look much larger similar to how Owls open their wings to intimidate. Kinda also similar to Hippos using their Mouth for intimidation by opening their mouth.
This has to be my new favorite dinosaur. I think the feathers and unique body shape made is stand out just as much as those massive claws. Plus it's an herbivore, which just takes the cake for a theropod.
A star is born
The weight-balance dictates that Therizinasaurus was standing up fairly straight . It was definitely no Calicothere , ergo no knuckle - dragging . Also , the straighter posture would raise the head higher , up into the tree-canopy . Lastly, most dinosaurs of this type had much shorter claws . This argues against super-long scythes as effective defensive weapons . They would have been awkward and loosely held , anyway . This would be like holding a sword with only fingertips , and combating knife-fighters . Not as effective as using a strongly-held knife . The main purpose of the extreme claws was probably to obtain food . Since the claws were not very curved/hooked , drawing in branches would not be their best use . This leaves bark-peeling , as in skinning-knives . The gastroliths associated with these creatures' fossils indicate the ability to process such tough food . The scythe-claws would have enabled them to peel off enough bark to feed their ten-ton bulk . At over three times the bulk of very large giraffes , they would need to eat as much as they could get their claws on !
D.
BEWARE THE DANGER FLOOF!
All hail the Danger Floof!
Oh! I was hoping to see coelophysis on your channel at some point! Granted, it's just an arm of one... Nonetheless favorite dinosaur right there 8:25
Another possible reason for dinos to be able to puff up their protofeathers: just looking bigger and scarier to scare away predators or rivals.
Imagine a Therizinosaurus, facing down a Tarbosaurus, it’s neck is thin and then bam! It’s really thick and fluffy. That would be awesome
Now there's a man who has no idea what to with his arms. He knows his dinosaurs though!
Very nice Video ! Could you do a Video only about feather? Pls
I love the idea of therizinosaurus being a 10m pigeon 😍😍😍
There are a lot of animals today that have ridiculously sized weapons that they use for competing for mates, like the antlers on deer. Many the claws were used similarly.
This is one of my favorite dinos!
Puffing up the feathers could also be a threat display to make the animal look bigger and more intimidating. Imagine it splays out those big, clawed arms with the long filaments and it puffs out it’s neck and chest integument and then lets out a cry.
That would certainly be intimadating to quite a few would-be predators, no?
imagine how efficient it could have been, the mostly two leg walking style and the ability to stabilise with the strong arms aswell as use them as weapons, remember that elephant bears where also very good at moving giant rocks to build burrows, maybe this guy could do it too.
Wow! What an amazing toy.
could you possible do an episode about feathers? I know you were half joking but, I would really enjoy it.
+Tony Crank We did! Episode 15 of this series.
(TH-cam doesn't let me hyperlink in comments.)
its quite likely the claws were for both manipualting plant matter/dirt and for defence
think of it like an anteaters claws, they are HUGE claws for an animal of its size, and they are used both for digging into ant/termite mounds, but also for slashing at any predator foolish enough to think it has a chance
its not at all unreasonable to assume that as the animal evolved larger and larger claws for digging into trees or digging up roots, that it started to use these claws for defense as well and so lost its other forms of "defense" (such as running away) because with these huge claws it no longer needed them
the idea of them being solely for defense makes little sense, as selection pressure would require the claws to come from somewhere first, if the animals predecesors used other methods of defence (again, like running away) it would have had no selection pressure for large claws, but if it was digging or breaking up food there would ahve been a pressure to get better at that, and so have bigger/sharper claws
these bigger sharper claws which already had a selection pressure for gaining them, would then after the fact be used for defense and so in themselves be a selection pressure to lose the other (now unecesary) forms of defence
so yeah, my money is it used the claws for digging up food, be it through actually digging or breaking apart trees or the like, and they just happened to be really good for defence as well
I know you already did Spinosaurus, but I would love to see Baryonix walkeri, please. It's my favourite!
ydaw: therizinosaurs didn't have tail fans
the isle developers: sorry i couldn't hear you through the sound of massive theri tail floof