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Ornithomimus by Hyrotrioskjan Ornithomimus by Hyrotrioskjan
It's only a quick sketch but I want to share with you this new triumph of paleontology. Ornithomimus with feathers! And not only that, the three (!) specimens which were found are in different growth stages and show that adult Ornithomimus had long branching feathers on it's arms.

edit: the short story after I read the headline of the article:
after 2 seconds: sitting still with shiver everywhere
after 8 seconds: jumping around like a monkey with LSD in blood
after 20 seconds: laughing evil and loud because I know that somewhere a creationist is growling :evillaugh:
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:iconhunter12396:
Hunter12396 Featured By Owner Mar 3, 2013  Hobbyist Traditional Artist
im a creationist and i beleive dinosaurs had feathers and were related to birds
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:iconhyrotrioskjan:
Hyrotrioskjan Featured By Owner Mar 4, 2013  Professional General Artist
This was more a challenging for the hardliners ;)
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:iconerikku8:
Erikku8 Featured By Owner Mar 2, 2013  Student Digital Artist
In my mind, feathered dinosaurs don't rule out the possibility that God created the universe. I think some people just take the Bible too literally. Cool illustration.
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:iconhyrotrioskjan:
Hyrotrioskjan Featured By Owner Mar 4, 2013  Professional General Artist
Well it was more a challenging for the hardliners =)
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:icondinobirdman:
DinoBirdMan Featured By Owner Jan 12, 2013  Student Artist
I've seen you have a first feathered ornithomimus on DA before everyone does and include me.:)
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:iconhyrotrioskjan:
Hyrotrioskjan Featured By Owner Jan 13, 2013  Professional General Artist
I draw it minutes after I read the message ;)
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:icondinobirdman:
DinoBirdMan Featured By Owner Jan 13, 2013  Student Artist
Good, I read that message too!:) But sometimes I really like the way to drawing feathered dinosaurs after I read other messages.
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:iconhyrotrioskjan:
Hyrotrioskjan Featured By Owner Jan 13, 2013  Professional General Artist
=)
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:iconmesozoic0906:
Mesozoic0906 Featured By Owner Nov 27, 2012
The most awesome thing about this discovery is that it is discovered in the formation rich with theropods, like tyrannosaurs.

Maybe...
And I will expect winged ornithomimusaurid in GDM

;)
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:iconhyrotrioskjan:
Hyrotrioskjan Featured By Owner Nov 27, 2012  Professional General Artist
I'm too ornithomimusaurs are were too long ignored by myself =)
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:iconindigomagpie:
indigomagpie Featured By Owner Nov 18, 2012
So, what does this imply about the original purpose of retrices? Does this mean ornithomimids were descended from a gliding ancestor? Not impossible, but it sounds unlikely.

Could it imply that retrices started off as display structures? The fact that only the adults have retrices seems to imply that ornithomimids, at least, were using them primarily as display structures.

Wonder if this means we should be sticking retrices on all coelurosaurs? How hard would they be to convergently evolve or to secondarily lose?

Anyone know how complex these arm feathers were? I'm wondering whether this pushes the origin of complex feathers further down the tree, or whether they could have been simple quill-like structures.
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:icongigantala:
gigantala Featured By Owner Nov 29, 2012
Recent studies show that Pelecanimimus might had been capable of WAIR/flight, so...
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:iconhyrotrioskjan:
Hyrotrioskjan Featured By Owner Nov 18, 2012  Professional General Artist
Ok, much to answer here =)

1. It's indeed very unlikely that ornithomimosaurs evolve from gliding animals, it's nearly impossible. Feathers are a very common feature in the tree of theropods and just a few of them reach the air. All gliding species we know coming from the Maniraptora and Ornithomimus is not a member of this group.

2. Yes the most possible function for this big feathers is to atract mates and scare enemys, but also to warm he eggs.

3. Most scinetists belive today that feathers are normal at dinosaurs, maybe even the first of them had feathers.

4. We have no evindence how the primary were constructed exactly, but they must be at least as complxe as the feathers of ostrichs. We know, from the marks at the bones, that they had a massive rachis but we don't know if the branches hab hooks to form a solid structure together.
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:icongigantala:
gigantala Featured By Owner Nov 29, 2012
"Pelecanimimus does have large paired sterna with ossified ribs and possibly uncinates, so maybe basal ornithomimosaurs were more flight-y anyway. Not only that, but the seemingly solid position of ornithomimosaurs outside Oviraptorosauria+Paraves isn't quite as definite as it seems. It's just that basically all recent coelurosaur matrices inherit the character bias and miscodings of the TWG matrix. So no surprise their topologies are all similar."

- Mickey Mortimer.
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:iconhyrotrioskjan:
Hyrotrioskjan Featured By Owner Nov 29, 2012  Professional General Artist
Thanks for the note =)
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:icongigantala:
gigantala Featured By Owner Nov 29, 2012
Indeed, I was hoping you'd draw a flying Pelecanimimus, even if as a joke.
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:iconsagittariussigner:
sagittariussigner Featured By Owner Oct 31, 2012  Hobbyist
Very cool, this drawing with ortnithomimus with feathers.
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:iconhyrotrioskjan:
Hyrotrioskjan Featured By Owner Oct 31, 2012  Professional General Artist
Thanks =)
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:iconjd-man:
JD-man Featured By Owner Oct 29, 2012
Is the coloration/patternation based on anything in particular? In any case, I like it.

BTW, are the adult's eyes shining?
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:iconhyrotrioskjan:
Hyrotrioskjan Featured By Owner Oct 29, 2012  Professional General Artist
It's just a sketch, I don't thought much about the eyes =)
The coloration of the tail is partly based on pheasants but the reast was spontanous.
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:iconjd-man:
JD-man Featured By Owner Oct 29, 2012
For something "spontaneous", it looks very believable as a real animal. I especially like the adult's head.
Reply
:iconzinnorokkrah:
Zinnorokkrah Featured By Owner Oct 29, 2012
It is inevitable BANDits, soon, even your precious carnosaurs and spinosaurs will be fluffed up *evil laugh*
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:iconsuddenlydaylight:
suddenlydaylight Featured By Owner Oct 30, 2012  Student Writer
To be sure, some argue that Yutyrannus is actually a carcharodontosaur...
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:iconzinnorokkrah:
Zinnorokkrah Featured By Owner Oct 30, 2012
So far as I know, that is due to a passing similarity in some features of the skull to the carcharodontosaurs. Everything else points overwhelmingly in favour of the tyrannosaurs, especially the fact that the only known asiatic carcharodontosaur bears little resemblance to the tyrannosaurs or to Yutyrannus. Besides, that new Spanish carcharodontosaur has evidence of feathers ;)
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:iconsuddenlydaylight:
suddenlydaylight Featured By Owner Oct 30, 2012  Student Writer
Indeed.
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:iconhyrotrioskjan:
Hyrotrioskjan Featured By Owner Oct 29, 2012  Professional General Artist
Indeed :evillaugh:
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:iconzinnorokkrah:
Zinnorokkrah Featured By Owner Oct 29, 2012
Refusal to believe in a feathery T-rex is by now wishful thinking! Bow to the power of the Feather Nazis!
Reply
:iconhyrotrioskjan:
Hyrotrioskjan Featured By Owner Oct 29, 2012  Professional General Artist
:evillaugh: ... yes I use it too often...
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:iconbealmeister:
Bealmeister Featured By Owner Oct 27, 2012  Student General Artist
You can thank us Canadians for this breakthrough.
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:iconhyrotrioskjan:
Hyrotrioskjan Featured By Owner Oct 28, 2012  Professional General Artist
I thought paleontology knows no borders ;)
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:iconbealmeister:
Bealmeister Featured By Owner Oct 28, 2012  Student General Artist
...true.
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:iconzewqt:
ZeWqt Featured By Owner Oct 27, 2012
FINALLY! Take it creationists :trollface: It is more convenient for quickly turning at full speed for a biped when you have wings! Now I can change my Ornithoimosaures in SPORE without worrying about whether I should wear feathers their arms!
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:iconhyrotrioskjan:
Hyrotrioskjan Featured By Owner Oct 27, 2012  Professional General Artist
Double Indeed =D
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:iconmugenseiryuu:
MugenSeiRyuu Featured By Owner Oct 26, 2012
Hurray for feathers!
Reply
:iconhyrotrioskjan:
Hyrotrioskjan Featured By Owner Oct 26, 2012  Professional General Artist
:iconyeahplz:
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:iconornitholestes1:
Ornitholestes1 Featured By Owner Oct 26, 2012  Hobbyist Traditional Artist
WOOT!
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:iconhyrotrioskjan:
Hyrotrioskjan Featured By Owner Oct 26, 2012  Professional General Artist
=D
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:iconlaferox:
LaFerox Featured By Owner Oct 26, 2012
I KNEW IT!!!
Reply
:iconhyrotrioskjan:
Hyrotrioskjan Featured By Owner Oct 26, 2012  Professional General Artist
Yes, we just needed the proof =D
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:iconthemorlock:
TheMorlock Featured By Owner Oct 26, 2012  Student General Artist
LINK!
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:iconhyrotrioskjan:
Hyrotrioskjan Featured By Owner Oct 26, 2012  Professional General Artist
You want one? you get one =) [link]
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:iconthemorlock:
TheMorlock Featured By Owner Oct 26, 2012  Student General Artist
Thanks. :)
Reply
:iconmaxterandkiwiking:
MaxterandKiwiKing Featured By Owner Oct 26, 2012  Hobbyist Digital Artist
:iconfuckyeahplz: I'm so happy right now.There are not enough words to describe how happy,that's how happy I am.
Reply
:iconhyrotrioskjan:
Hyrotrioskjan Featured By Owner Oct 26, 2012  Professional General Artist
Maybe if we combine "awesome" with "euphoric" and multiplicate it with 42...
Reply
:iconbabbletrish:
babbletrish Featured By Owner Oct 26, 2012  Professional Traditional Artist
Wonderful! Love the color scheme!
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:iconhyrotrioskjan:
Hyrotrioskjan Featured By Owner Oct 26, 2012  Professional General Artist
Thank you =)
Reply
:iconvasix:
vasix Featured By Owner Oct 26, 2012  Hobbyist Digital Artist
Ah, the Ornithomimus feather discovery!!
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:iconhyrotrioskjan:
Hyrotrioskjan Featured By Owner Oct 26, 2012  Professional General Artist
Finally we have the proof =D
Reply
:iconvasix:
vasix Featured By Owner Oct 26, 2012  Hobbyist Digital Artist
Of giant arm feathers, I mean, those things are even bigger than dromaeosaur wing feathers!
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:icontheultimatedarkness:
TheUltimateDarkness Featured By Owner Oct 26, 2012
Nice, although wouldn't it affect the aerodynamics of it?
I wonder if other species like O.Samueli (Dromiceiomimus) had a different getup of feather designs.
Also I'm a creationist - there's nothing here that disproves it at all. :)
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October 25, 2012
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