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Walking With Dinosaurs
Topic Started: Jul 9 2013, 03:19 PM (465,194 Views)
Jules
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Mihi est imperare orbi universo

Because given its metabolism would be the same as in modern day birds, and that modern day birds need to eat plants to be green, it logically wouldn't be able to be green.
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CyborgIguana
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Fair enough, but still...it's the WWD raptor so it has to be green.
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Similis
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CyborgIguana
Nov 21 2013, 12:54 PM
Fair enough, but still...it's the WWD raptor so it has to be green.
And bald? :P

Trying out various hues of yellowish and gold tones could work aswell.
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Jannick
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Papua merdeka!

Meet the Grey-headed Bushshrike. As anyone who knows anything about shrikes will know, it's a voracious little carnivore. Also, it's green.
Posted Image

The Red-tailed Bristle-bill. A carnivorous ground-dwelling bird. Also green.
Posted Image

The Green Woodpecker. Speaks for itself.
Posted Image

Green doesn't seem out of the question for carnivores to me.

(My apologies for the rather... obscure examples. I just grabbed the closest bird guide and went with the first green birds I saw :P )
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HENDRIX
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-retired-

Can't believe I didn't think of the woodpecker XD

So, it's confirmed then. :P
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Dr. Hax
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Excellent job on he raptor, DM. Although, there's something about the eye that's bothering me.
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Similis
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Now it kind of makes me wonder - all of those animals are in fact insectivorous or omnivorous, none of them is really a large (for a bird) predator, are there any green Accipitriformes?
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Iben
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There'll be no foot-walking! Just air-flying!

Actually, that isn't really true :P All birds you mentioned are insectivores ( except for shrikes, but those are both insectivores and carnivores ) and not a carnivore in the way an eagle or a velociraptor is. In order to produce the green pigment, birds needs lots of copper. Vertebrae use hemoglobin, which have iron atoms, invertebrae use hemocyanin which has copper atoms instead of iron atoms ;) Aka, insectivores get their copper from the insects ( though not all insects, but most larvae have proteins made from hemocyanin ) they eat, and that allows them to produce the greenish feathers.

But anyway, it's pointless to discuss this as DM made it to resemble the WWD one, which was green :P
Edited by Iben, Nov 21 2013, 02:02 PM.
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HENDRIX
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-retired-

Iben
Nov 21 2013, 01:58 PM
Vertebrae use hemoglobin, which have iron atoms, invertebrae use hemocyanin which has copper atoms instead of iron atoms ;)
*t

What does this have to do with the blood? xD Just because they use it for one oxygen-binding molecule doesn't mean they use copper for all pigments :P

Meh, but enough of that. It's green cuz it's green in WWD and it's not too far fetched to be plausible, so it's all right ;)
Edited by HENDRIX, Nov 21 2013, 02:02 PM.
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Dr. Hax
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Yeah, I don't really have a say in this, because I just woke up, but I think this discussion is kinda silly. UT2's downloads have the theropods in the completely wrong upwards head position, but they're still considered to be extremely valuable downloads and UT2 is praised for them. So why can't a completely accurate velociraptor made by the master of designing himself have a little speculative green coloring? :P
EDIT BECAUSE POSTING THREE TIMES IN ONE TOPIC IS RUDE: @Jannick: The general consensus is that pack hunting is possible, but doesn't have a lot of evidence behind it and isn't as likely as people once thought.
Edited by Dr. Hax, Nov 21 2013, 02:10 PM.
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Jannick
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Papua merdeka!

Hmm, you may have a point there. There are indeed no traditional 'birds of prey' with green coloration. But then again, since pack hunting is apparently out of the question (or is it in again? I can't keep up) wouldn't it be likely that Velociraptor was at least partially insectivorous? :P
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Iben
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There'll be no foot-walking! Just air-flying!

HENDRIX
Nov 21 2013, 02:01 PM
Iben
Nov 21 2013, 01:58 PM
Vertebrae use hemoglobin, which have iron atoms, invertebrae use hemocyanin which has copper atoms instead of iron atoms ;)
*t

What does this have to do with the blood? xD Just because they use it for one oxygen-binding molecule doesn't mean they use copper for all pigments :P
Nono xD Larvae proteins are "made from" the same hemocyanin, which leads to the fact that they're quite copper rich, which allows birds to have greenish feathers :P I forgot to add that, I just did xD

Anyway, you're completely right, it's pointless to discuss it anyway xD
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Similis
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Dr. Hax
Nov 21 2013, 02:03 PM
So why can't a velociraptor made by the master of designing himself have a little speculative green coloring? :P
Why should we value particular design by who made it, not how it's made? I'm really indifferent how DM explains his raptor's colouration, I'll just appreciate if it's reasoned well, not randomly decided to be made without a touch with the accuracy. :P partially insectivorous raptors could explain the green, provided they'd find enough insects for that purpose.
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Dr. Hax
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MrGorsh
Nov 21 2013, 02:08 PM
Dr. Hax
Nov 21 2013, 02:03 PM
So why can't a velociraptor made by the master of designing himself have a little speculative green coloring? :P
Why should we value particular design by who made it, not how it's made? I'm really indifferent how DM explains his raptor's colouration, I'll just appreciate if it's reasoned well, not randomly decided to be made without a touch with the accuracy. :P partially insectivorous raptors could explain the green, provided they'd find enough insects for that purpose.
I edited the post a bit to make it a bit clearer what I was trying to say.
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Swimming Spaghetti Monster
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I don't really know these subjects well, but is it possible for carnivores to obtain copper from insectivores, which obtain it from insects?
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