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Polar Tyrannosaurid Feathering; It makes no sense
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Topic Started: Jul 30 2017, 07:19 PM (1,425 Views)
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YixianBirdBeast
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Jul 31 2017, 02:01 PM
Post #16
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- Little
- Jul 30 2017, 08:16 PM
Integument coverings wouldn't be constant across a family - just look at elephants and mammoths, or humans and chimps. Something like Tyrannosaurus reducing its feather covering significantly? Makes perfect sense, it was gigantic and lived in a fairly hot ecosystem. Somewhat smaller creatures in colder environments, like a Gorgosaurus? Probably a bit fuffier than that. Nanuqsaurus, the smallest tyrannosaurid and the one that lived in the coldest environment? I'd expect it to be primarily fuzzy.
No, I'm not gonna justify this by trying. Why the heck are You comparing Tyrannosaurs with Elephants? are You saying Tyrannosaurus could have potentially had a trunk or something? Tyrannosaurus did not eat peanuts so EVERYONE please stop comparing Tyrannosaurus to a Elephant
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IIGSY
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Jul 31 2017, 02:05 PM
Post #17
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A huntsman spider that wastes time on the internet because it has nothing better to do
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- YixianBirdBeast
- Jul 31 2017, 02:01 PM
- Little
- Jul 30 2017, 08:16 PM
Integument coverings wouldn't be constant across a family - just look at elephants and mammoths, or humans and chimps. Something like Tyrannosaurus reducing its feather covering significantly? Makes perfect sense, it was gigantic and lived in a fairly hot ecosystem. Somewhat smaller creatures in colder environments, like a Gorgosaurus? Probably a bit fuffier than that. Nanuqsaurus, the smallest tyrannosaurid and the one that lived in the coldest environment? I'd expect it to be primarily fuzzy.
No, I'm not gonna justify this by trying.
Why the heck are You comparing Tyrannosaurs with Elephants? are You saying Tyrannosaurus could have potentially had a trunk or something? Tyrannosaurus did not eat peanuts so EVERYONE please stop comparing Tyrannosaurus to a Elephant 1. Elephants don't eat peanuts in the wild.
2. And no, we are not saying that elephants are the same as tyannosaurs. We are using them for comparison because because they are both elephants and t rex are very large animals that lived in hot environments and have reduced integument
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Projects Punga: A terraformed world with no vertebrates Last one crawling: The last arthropod
ARTH-6810: A world without vertebrates (It's ded, but you can still read I guess)
Potential ideas- Swamp world: A world covered in lakes, with the largest being caspian sized. Nematozoic: After a mass extinction of ultimate proportions, a single species of nematode is the only surviving animal. Tri-devonian: A devonian like ecosystem with holocene species on three different continents.
Quotes "Arthropod respiratory systems aren't really "inefficient", they're just better suited to their body size. It would be quite inefficient for a tiny creature that can easily get all the oxygen it needs through passive diffusion to have a respiratory system that wastes energy on muscles that pump air into sacs. (Hence why lungless salamanders, uniquely miniscule and hyperabundant tetrapods, have ditched their lungs in favor of breathing with their skin and buccal mucous membranes.) But large, active insects already use muscles to pump air in and out of their spiracles, and I don't see why their tracheae couldn't develop pseudo- lungs if other conditions pressured them to grow larger."-HangingTheif
"Considering the lifespans of modern non- insect arthropods (decade-old old millipedes, 50 year old tarantulas, 100+ year old lobsters) I wouldn't be surprised if Arthropleura had a lifespan exceeding that of a large testudine"-HangingTheif
"Humans have a tribal mindset and it's not alien for tribes to war on each other. I mean, look at the atrocities chimpanzee tribes do to each other. Most of people's groupings and big conflicts in history are directly or obliquely manifestations of this tribal mindset."-Sceynyos-yis
"He's the leader of the bunch You know his Coconut Gun is finally back to fire in spurts. His Coconut Gun Can make you smile If he shoots ya it's firing in spurts. His Coconut Gun Is bigger, faster, stronger too! He's the gun member of the Coconut Crew! HUH!
C.G.! Coconut Gun! C.G.! Co-Coconut Gun! Shoot yourself with a Coconut Gun! HUH!"-Kamineigh
"RIP, rest in Peytoia."-Little
"In Summary: Piss on Lovecraft's racist grave by making lewds of Cthulhu and Nyarlathotep.
Then eat arby's and embrace the void."-Kamineigh
"Dougal Dixon rule 34."-Sayornis
Phylogeny of the arthropods and some related groups
In honor of the greatest clade of all time
More pictures
Other cool things
All African countries can fit into Brazil
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YixianBirdBeast
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Jul 31 2017, 03:23 PM
Post #18
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- Insect Illuminati Get Shrekt
- Jul 31 2017, 02:05 PM
- YixianBirdBeast
- Jul 31 2017, 02:01 PM
- Little
- Jul 30 2017, 08:16 PM
Integument coverings wouldn't be constant across a family - just look at elephants and mammoths, or humans and chimps. Something like Tyrannosaurus reducing its feather covering significantly? Makes perfect sense, it was gigantic and lived in a fairly hot ecosystem. Somewhat smaller creatures in colder environments, like a Gorgosaurus? Probably a bit fuffier than that. Nanuqsaurus, the smallest tyrannosaurid and the one that lived in the coldest environment? I'd expect it to be primarily fuzzy.
No, I'm not gonna justify this by trying.
Why the heck are You comparing Tyrannosaurs with Elephants? are You saying Tyrannosaurus could have potentially had a trunk or something? Tyrannosaurus did not eat peanuts so EVERYONE please stop comparing Tyrannosaurus to a Elephant
1. Elephants don't eat peanuts in the wild. 2. And no, we are not saying that elephants are the same as tyannosaurs. We are using them for comparison because because they are both elephants and t rex are very large animals that lived in hot environments and have reduced integument Comparing Tyrannosaurs to Elephants is so mainstream
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IIGSY
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Jul 31 2017, 03:28 PM
Post #19
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A huntsman spider that wastes time on the internet because it has nothing better to do
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- YixianBirdBeast
- Jul 31 2017, 03:23 PM
- Insect Illuminati Get Shrekt
- Jul 31 2017, 02:05 PM
- YixianBirdBeast
- Jul 31 2017, 02:01 PM
- Little
- Jul 30 2017, 08:16 PM
Integument coverings wouldn't be constant across a family - just look at elephants and mammoths, or humans and chimps. Something like Tyrannosaurus reducing its feather covering significantly? Makes perfect sense, it was gigantic and lived in a fairly hot ecosystem. Somewhat smaller creatures in colder environments, like a Gorgosaurus? Probably a bit fuffier than that. Nanuqsaurus, the smallest tyrannosaurid and the one that lived in the coldest environment? I'd expect it to be primarily fuzzy.
No, I'm not gonna justify this by trying.
Why the heck are You comparing Tyrannosaurs with Elephants? are You saying Tyrannosaurus could have potentially had a trunk or something? Tyrannosaurus did not eat peanuts so EVERYONE please stop comparing Tyrannosaurus to a Elephant
1. Elephants don't eat peanuts in the wild. 2. And no, we are not saying that elephants are the same as tyannosaurs. We are using them for comparison because because they are both elephants and t rex are very large animals that lived in hot environments and have reduced integument
Comparing Tyrannosaurs to Elephants is so mainstream What does that prove? It is a valid comparison because elephants are the only tyrannosaurus sized land animals still in existence and seeing why it has reduced integument is relevant to large dinosaurs such as tyrannosaurs.
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Projects Punga: A terraformed world with no vertebrates Last one crawling: The last arthropod
ARTH-6810: A world without vertebrates (It's ded, but you can still read I guess)
Potential ideas- Swamp world: A world covered in lakes, with the largest being caspian sized. Nematozoic: After a mass extinction of ultimate proportions, a single species of nematode is the only surviving animal. Tri-devonian: A devonian like ecosystem with holocene species on three different continents.
Quotes "Arthropod respiratory systems aren't really "inefficient", they're just better suited to their body size. It would be quite inefficient for a tiny creature that can easily get all the oxygen it needs through passive diffusion to have a respiratory system that wastes energy on muscles that pump air into sacs. (Hence why lungless salamanders, uniquely miniscule and hyperabundant tetrapods, have ditched their lungs in favor of breathing with their skin and buccal mucous membranes.) But large, active insects already use muscles to pump air in and out of their spiracles, and I don't see why their tracheae couldn't develop pseudo- lungs if other conditions pressured them to grow larger."-HangingTheif
"Considering the lifespans of modern non- insect arthropods (decade-old old millipedes, 50 year old tarantulas, 100+ year old lobsters) I wouldn't be surprised if Arthropleura had a lifespan exceeding that of a large testudine"-HangingTheif
"Humans have a tribal mindset and it's not alien for tribes to war on each other. I mean, look at the atrocities chimpanzee tribes do to each other. Most of people's groupings and big conflicts in history are directly or obliquely manifestations of this tribal mindset."-Sceynyos-yis
"He's the leader of the bunch You know his Coconut Gun is finally back to fire in spurts. His Coconut Gun Can make you smile If he shoots ya it's firing in spurts. His Coconut Gun Is bigger, faster, stronger too! He's the gun member of the Coconut Crew! HUH!
C.G.! Coconut Gun! C.G.! Co-Coconut Gun! Shoot yourself with a Coconut Gun! HUH!"-Kamineigh
"RIP, rest in Peytoia."-Little
"In Summary: Piss on Lovecraft's racist grave by making lewds of Cthulhu and Nyarlathotep.
Then eat arby's and embrace the void."-Kamineigh
"Dougal Dixon rule 34."-Sayornis
Phylogeny of the arthropods and some related groups
In honor of the greatest clade of all time
More pictures
Other cool things
All African countries can fit into Brazil
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Yiqi15
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Jul 31 2017, 03:37 PM
Post #20
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How about we compare them to ostriches, instead? They're dinosaurs native to a hot environment.
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Current/Completed Projects - After the Holocene: Your run-of-the-mill future evolution project. - A History of the Odessa Rhinoceros: What happens when you ship 28 southern white rhinoceri to Texas and try and farm them? Quite a lot, actually.
Future Projects - XenoSphere: The greatest zoo in the galaxy. - The Curious Case of the Woolly Giraffe: A case study of an eocene relic. - Untittled Asylum Studios-Based Project: The truth behind all the CGI schlock - Riggslandia V.II: A World 150 million years in the making
Potential Projects - Klowns: The biology and culture of a creepy-yet-fascinating being
My Zoochat and Fadom Accounts - Zoochat - Fandom
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YixianBirdBeast
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Jul 31 2017, 03:38 PM
Post #21
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- Insect Illuminati Get Shrekt
- Jul 31 2017, 03:28 PM
- YixianBirdBeast
- Jul 31 2017, 03:23 PM
- Insect Illuminati Get Shrekt
- Jul 31 2017, 02:05 PM
- YixianBirdBeast
- Jul 31 2017, 02:01 PM
- Little
- Jul 30 2017, 08:16 PM
Integument coverings wouldn't be constant across a family - just look at elephants and mammoths, or humans and chimps. Something like Tyrannosaurus reducing its feather covering significantly? Makes perfect sense, it was gigantic and lived in a fairly hot ecosystem. Somewhat smaller creatures in colder environments, like a Gorgosaurus? Probably a bit fuffier than that. Nanuqsaurus, the smallest tyrannosaurid and the one that lived in the coldest environment? I'd expect it to be primarily fuzzy.
No, I'm not gonna justify this by trying.
Why the heck are You comparing Tyrannosaurs with Elephants? are You saying Tyrannosaurus could have potentially had a trunk or something? Tyrannosaurus did not eat peanuts so EVERYONE please stop comparing Tyrannosaurus to a Elephant
1. Elephants don't eat peanuts in the wild. 2. And no, we are not saying that elephants are the same as tyannosaurs. We are using them for comparison because because they are both elephants and t rex are very large animals that lived in hot environments and have reduced integument
Comparing Tyrannosaurs to Elephants is so mainstream
What does that prove? It is a valid comparison because elephants are the only tyrannosaurus sized land animals still in existence and seeing why it has reduced integument is relevant to large dinosaurs such as tyrannosaurs. That still does not mean that Nanqusaurus would be covered in feathers if Tyrannosaurus was covered in scaly skin
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Yiqi15
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Jul 31 2017, 03:43 PM
Post #22
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- YixianBirdBeast
- Jul 31 2017, 03:38 PM
That still does not mean that Nanqusaurus would be covered in feathers if Tyrannosaurus was covered in scaly skin Yeah, and great horned owls don't have tufts of feathers on their heads because their relatives the snowy owl doesn't.
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Current/Completed Projects - After the Holocene: Your run-of-the-mill future evolution project. - A History of the Odessa Rhinoceros: What happens when you ship 28 southern white rhinoceri to Texas and try and farm them? Quite a lot, actually.
Future Projects - XenoSphere: The greatest zoo in the galaxy. - The Curious Case of the Woolly Giraffe: A case study of an eocene relic. - Untittled Asylum Studios-Based Project: The truth behind all the CGI schlock - Riggslandia V.II: A World 150 million years in the making
Potential Projects - Klowns: The biology and culture of a creepy-yet-fascinating being
My Zoochat and Fadom Accounts - Zoochat - Fandom
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IIGSY
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Jul 31 2017, 03:44 PM
Post #23
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A huntsman spider that wastes time on the internet because it has nothing better to do
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- YixianBirdBeast
- Jul 31 2017, 03:38 PM
- Insect Illuminati Get Shrekt
- Jul 31 2017, 03:28 PM
- YixianBirdBeast
- Jul 31 2017, 03:23 PM
- Insect Illuminati Get Shrekt
- Jul 31 2017, 02:05 PM
- YixianBirdBeast
- Jul 31 2017, 02:01 PM
- Little
- Jul 30 2017, 08:16 PM
Integument coverings wouldn't be constant across a family - just look at elephants and mammoths, or humans and chimps. Something like Tyrannosaurus reducing its feather covering significantly? Makes perfect sense, it was gigantic and lived in a fairly hot ecosystem. Somewhat smaller creatures in colder environments, like a Gorgosaurus? Probably a bit fuffier than that. Nanuqsaurus, the smallest tyrannosaurid and the one that lived in the coldest environment? I'd expect it to be primarily fuzzy.
No, I'm not gonna justify this by trying.
Why the heck are You comparing Tyrannosaurs with Elephants? are You saying Tyrannosaurus could have potentially had a trunk or something? Tyrannosaurus did not eat peanuts so EVERYONE please stop comparing Tyrannosaurus to a Elephant
1. Elephants don't eat peanuts in the wild. 2. And no, we are not saying that elephants are the same as tyannosaurs. We are using them for comparison because because they are both elephants and t rex are very large animals that lived in hot environments and have reduced integument
Comparing Tyrannosaurs to Elephants is so mainstream
What does that prove? It is a valid comparison because elephants are the only tyrannosaurus sized land animals still in existence and seeing why it has reduced integument is relevant to large dinosaurs such as tyrannosaurs.
That still does not mean that Nanqusaurus would be covered in feathers if Tyrannosaurus was covered in scaly skin Did you not hear what people said? IT WAS SMALL AND IT LIVED IN A POLAR ENVIRONMENT. Of course it would be fluffy.
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Projects Punga: A terraformed world with no vertebrates Last one crawling: The last arthropod
ARTH-6810: A world without vertebrates (It's ded, but you can still read I guess)
Potential ideas- Swamp world: A world covered in lakes, with the largest being caspian sized. Nematozoic: After a mass extinction of ultimate proportions, a single species of nematode is the only surviving animal. Tri-devonian: A devonian like ecosystem with holocene species on three different continents.
Quotes "Arthropod respiratory systems aren't really "inefficient", they're just better suited to their body size. It would be quite inefficient for a tiny creature that can easily get all the oxygen it needs through passive diffusion to have a respiratory system that wastes energy on muscles that pump air into sacs. (Hence why lungless salamanders, uniquely miniscule and hyperabundant tetrapods, have ditched their lungs in favor of breathing with their skin and buccal mucous membranes.) But large, active insects already use muscles to pump air in and out of their spiracles, and I don't see why their tracheae couldn't develop pseudo- lungs if other conditions pressured them to grow larger."-HangingTheif
"Considering the lifespans of modern non- insect arthropods (decade-old old millipedes, 50 year old tarantulas, 100+ year old lobsters) I wouldn't be surprised if Arthropleura had a lifespan exceeding that of a large testudine"-HangingTheif
"Humans have a tribal mindset and it's not alien for tribes to war on each other. I mean, look at the atrocities chimpanzee tribes do to each other. Most of people's groupings and big conflicts in history are directly or obliquely manifestations of this tribal mindset."-Sceynyos-yis
"He's the leader of the bunch You know his Coconut Gun is finally back to fire in spurts. His Coconut Gun Can make you smile If he shoots ya it's firing in spurts. His Coconut Gun Is bigger, faster, stronger too! He's the gun member of the Coconut Crew! HUH!
C.G.! Coconut Gun! C.G.! Co-Coconut Gun! Shoot yourself with a Coconut Gun! HUH!"-Kamineigh
"RIP, rest in Peytoia."-Little
"In Summary: Piss on Lovecraft's racist grave by making lewds of Cthulhu and Nyarlathotep.
Then eat arby's and embrace the void."-Kamineigh
"Dougal Dixon rule 34."-Sayornis
Phylogeny of the arthropods and some related groups
In honor of the greatest clade of all time
More pictures
Other cool things
All African countries can fit into Brazil
|
| |
|
LittleLazyLass
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Jul 31 2017, 03:53 PM
Post #24
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Me  Forum user Uncanny Gemstar drew what is supposed to be a me. Thanks! Spoiler: click to toggle As they walk in, they're greeted by a small, poorly kept pathway leading to a poorly constructed Japanese-style gate. Behind this, a small field made up of corn, rice, wheat, potatoes, among other plants is contrasted by large piles of books, as well as a few rather out of place looking laptops. Off in the corner, a small woman, with long, striped, and strikingly colorful socks, no shoes, unremarkable denim shorts, a large, fancy black coat, arm warmers, glasses, a tuque, and somewhat unkempt, mid-length blue-and-pink-streaked red hair, is rummaging through a trash bin, located behind a sign saying "employees only". She continues this for a while (walking behind a wall to change her outfit now and then), until one of her visitors coughs. Startled, she looks up, apologizes, and grabs a handful of textbooks and novels before daintily running off to join them. What, you want me to tell you what these mean? Predenterra The (Lost) Lost World The Standing World Read First Clarifications on my sex and genderSorry if I come off as rude, I don't put much thought into word choice sometimes. I'm also super prone to editing my posts, sometimes multiple times, in the minutes following posting. For the love of god, take my posts from my earlier days on the forum with a grain of salt. I was not particularly knowledgeable or mature back then. Some of them are so cringe-worthy I can't even bring myself to look at them. Words Maybe Great Words - Words To Spec By
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Yiqi15
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Jul 31 2017, 03:55 PM
Post #25
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- Little
- Jul 31 2017, 03:53 PM
It's pointless trying to get through to this guy, don't bother. Yeah, maybe the best way to deal with Yixian is to just ignore him.
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Current/Completed Projects - After the Holocene: Your run-of-the-mill future evolution project. - A History of the Odessa Rhinoceros: What happens when you ship 28 southern white rhinoceri to Texas and try and farm them? Quite a lot, actually.
Future Projects - XenoSphere: The greatest zoo in the galaxy. - The Curious Case of the Woolly Giraffe: A case study of an eocene relic. - Untittled Asylum Studios-Based Project: The truth behind all the CGI schlock - Riggslandia V.II: A World 150 million years in the making
Potential Projects - Klowns: The biology and culture of a creepy-yet-fascinating being
My Zoochat and Fadom Accounts - Zoochat - Fandom
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YixianBirdBeast
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Jul 31 2017, 04:13 PM
Post #26
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- Insect Illuminati Get Shrekt
- Jul 31 2017, 03:44 PM
- YixianBirdBeast
- Jul 31 2017, 03:38 PM
- Insect Illuminati Get Shrekt
- Jul 31 2017, 03:28 PM
- YixianBirdBeast
- Jul 31 2017, 03:23 PM
- Insect Illuminati Get Shrekt
- Jul 31 2017, 02:05 PM
- YixianBirdBeast
- Jul 31 2017, 02:01 PM
- Little
- Jul 30 2017, 08:16 PM
Integument coverings wouldn't be constant across a family - just look at elephants and mammoths, or humans and chimps. Something like Tyrannosaurus reducing its feather covering significantly? Makes perfect sense, it was gigantic and lived in a fairly hot ecosystem. Somewhat smaller creatures in colder environments, like a Gorgosaurus? Probably a bit fuffier than that. Nanuqsaurus, the smallest tyrannosaurid and the one that lived in the coldest environment? I'd expect it to be primarily fuzzy.
No, I'm not gonna justify this by trying.
Why the heck are You comparing Tyrannosaurs with Elephants? are You saying Tyrannosaurus could have potentially had a trunk or something? Tyrannosaurus did not eat peanuts so EVERYONE please stop comparing Tyrannosaurus to a Elephant
1. Elephants don't eat peanuts in the wild. 2. And no, we are not saying that elephants are the same as tyannosaurs. We are using them for comparison because because they are both elephants and t rex are very large animals that lived in hot environments and have reduced integument
Comparing Tyrannosaurs to Elephants is so mainstream
What does that prove? It is a valid comparison because elephants are the only tyrannosaurus sized land animals still in existence and seeing why it has reduced integument is relevant to large dinosaurs such as tyrannosaurs.
That still does not mean that Nanqusaurus would be covered in feathers if Tyrannosaurus was covered in scaly skin
Did you not hear what people said? IT WAS SMALL AND IT LIVED IN A POLAR ENVIRONMENT. Of course it would be fluffy. But it is a close relative of Tyrannosaurus which was completely covered in scaly skin so that means that Nanqusaurus would also be completely covered in scaly skin too, it is impossible for Nanqusaurus have feathers if it's close kind such as Tyrannosaurus and Gorgosaurus were completely scaly beasts
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IIGSY
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Jul 31 2017, 04:22 PM
Post #27
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A huntsman spider that wastes time on the internet because it has nothing better to do
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- YixianBirdBeast
- Jul 31 2017, 04:13 PM
- Insect Illuminati Get Shrekt
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- YixianBirdBeast
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- Insect Illuminati Get Shrekt
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- YixianBirdBeast
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- YixianBirdBeast
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- Little
- Jul 30 2017, 08:16 PM
Integument coverings wouldn't be constant across a family - just look at elephants and mammoths, or humans and chimps. Something like Tyrannosaurus reducing its feather covering significantly? Makes perfect sense, it was gigantic and lived in a fairly hot ecosystem. Somewhat smaller creatures in colder environments, like a Gorgosaurus? Probably a bit fuffier than that. Nanuqsaurus, the smallest tyrannosaurid and the one that lived in the coldest environment? I'd expect it to be primarily fuzzy.
No, I'm not gonna justify this by trying.
Why the heck are You comparing Tyrannosaurs with Elephants? are You saying Tyrannosaurus could have potentially had a trunk or something? Tyrannosaurus did not eat peanuts so EVERYONE please stop comparing Tyrannosaurus to a Elephant
1. Elephants don't eat peanuts in the wild. 2. And no, we are not saying that elephants are the same as tyannosaurs. We are using them for comparison because because they are both elephants and t rex are very large animals that lived in hot environments and have reduced integument
Comparing Tyrannosaurs to Elephants is so mainstream
What does that prove? It is a valid comparison because elephants are the only tyrannosaurus sized land animals still in existence and seeing why it has reduced integument is relevant to large dinosaurs such as tyrannosaurs.
That still does not mean that Nanqusaurus would be covered in feathers if Tyrannosaurus was covered in scaly skin
Did you not hear what people said? IT WAS SMALL AND IT LIVED IN A POLAR ENVIRONMENT. Of course it would be fluffy.
But it is a close relative of Tyrannosaurus which was completely covered in scaly skin so that means that Nanqusaurus would also be completely covered in scaly skin too, it is impossible for Nanqusaurus have feathers if it's close kind such as Tyrannosaurus and Gorgosaurus were completely scaly beasts For the last time. LOOK AT MAMMOTHS AND ELEPHANTS
 They are both in the same family yet they have different integument patterns.
 For how about a human and a chimp. Same family, different integument distribution.
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Projects Punga: A terraformed world with no vertebrates Last one crawling: The last arthropod
ARTH-6810: A world without vertebrates (It's ded, but you can still read I guess)
Potential ideas- Swamp world: A world covered in lakes, with the largest being caspian sized. Nematozoic: After a mass extinction of ultimate proportions, a single species of nematode is the only surviving animal. Tri-devonian: A devonian like ecosystem with holocene species on three different continents.
Quotes "Arthropod respiratory systems aren't really "inefficient", they're just better suited to their body size. It would be quite inefficient for a tiny creature that can easily get all the oxygen it needs through passive diffusion to have a respiratory system that wastes energy on muscles that pump air into sacs. (Hence why lungless salamanders, uniquely miniscule and hyperabundant tetrapods, have ditched their lungs in favor of breathing with their skin and buccal mucous membranes.) But large, active insects already use muscles to pump air in and out of their spiracles, and I don't see why their tracheae couldn't develop pseudo- lungs if other conditions pressured them to grow larger."-HangingTheif
"Considering the lifespans of modern non- insect arthropods (decade-old old millipedes, 50 year old tarantulas, 100+ year old lobsters) I wouldn't be surprised if Arthropleura had a lifespan exceeding that of a large testudine"-HangingTheif
"Humans have a tribal mindset and it's not alien for tribes to war on each other. I mean, look at the atrocities chimpanzee tribes do to each other. Most of people's groupings and big conflicts in history are directly or obliquely manifestations of this tribal mindset."-Sceynyos-yis
"He's the leader of the bunch You know his Coconut Gun is finally back to fire in spurts. His Coconut Gun Can make you smile If he shoots ya it's firing in spurts. His Coconut Gun Is bigger, faster, stronger too! He's the gun member of the Coconut Crew! HUH!
C.G.! Coconut Gun! C.G.! Co-Coconut Gun! Shoot yourself with a Coconut Gun! HUH!"-Kamineigh
"RIP, rest in Peytoia."-Little
"In Summary: Piss on Lovecraft's racist grave by making lewds of Cthulhu and Nyarlathotep.
Then eat arby's and embrace the void."-Kamineigh
"Dougal Dixon rule 34."-Sayornis
Phylogeny of the arthropods and some related groups
In honor of the greatest clade of all time
More pictures
Other cool things
All African countries can fit into Brazil
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YixianBirdBeast
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Jul 31 2017, 04:39 PM
Post #28
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- YixianBirdBeast
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- Insect Illuminati Get Shrekt
- Jul 31 2017, 03:44 PM
- YixianBirdBeast
- Jul 31 2017, 03:38 PM
- Insect Illuminati Get Shrekt
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- YixianBirdBeast
- Jul 31 2017, 03:23 PM
- Insect Illuminati Get Shrekt
- Jul 31 2017, 02:05 PM
- YixianBirdBeast
- Jul 31 2017, 02:01 PM
- Little
- Jul 30 2017, 08:16 PM
Integument coverings wouldn't be constant across a family - just look at elephants and mammoths, or humans and chimps. Something like Tyrannosaurus reducing its feather covering significantly? Makes perfect sense, it was gigantic and lived in a fairly hot ecosystem. Somewhat smaller creatures in colder environments, like a Gorgosaurus? Probably a bit fuffier than that. Nanuqsaurus, the smallest tyrannosaurid and the one that lived in the coldest environment? I'd expect it to be primarily fuzzy.
No, I'm not gonna justify this by trying.
Why the heck are You comparing Tyrannosaurs with Elephants? are You saying Tyrannosaurus could have potentially had a trunk or something? Tyrannosaurus did not eat peanuts so EVERYONE please stop comparing Tyrannosaurus to a Elephant
1. Elephants don't eat peanuts in the wild. 2. And no, we are not saying that elephants are the same as tyannosaurs. We are using them for comparison because because they are both elephants and t rex are very large animals that lived in hot environments and have reduced integument
Comparing Tyrannosaurs to Elephants is so mainstream
What does that prove? It is a valid comparison because elephants are the only tyrannosaurus sized land animals still in existence and seeing why it has reduced integument is relevant to large dinosaurs such as tyrannosaurs.
That still does not mean that Nanqusaurus would be covered in feathers if Tyrannosaurus was covered in scaly skin
Did you not hear what people said? IT WAS SMALL AND IT LIVED IN A POLAR ENVIRONMENT. Of course it would be fluffy.
But it is a close relative of Tyrannosaurus which was completely covered in scaly skin so that means that Nanqusaurus would also be completely covered in scaly skin too, it is impossible for Nanqusaurus have feathers if it's close kind such as Tyrannosaurus and Gorgosaurus were completely scaly beasts
For the last time. LOOK AT MAMMOTHS AND ELEPHANTS They are both in the same family yet they have different integument patterns.  For how about a human and a chimp. Same family, different integument distribution. Elephants and Humans are not covered in scales, They simply have bare skin devoid of hair
I know this because I am a human and I don't see any scales on Me
Also please STOP COMPARING TYRANNOSAURS TO ELEPHANTS
1. Elephants eat plants, Tyrannosaurs eat meat 2. Elephants have trunks, Tyrannosaurs don't 3. Elephants have tusks, Tyrannosaurs don't 4. Elephants have four legs, Tyrannosaurs have two legs 5. Elephants are mammals, Tyrannosaurs are dinosaurs
Saying Nanqusaurus was covered in fluffy feathers while Tyrannosaurus was completely scaly because of Elephants and Mammoths is like saying that Luigi is evil while Mario is good because of Loki and Thor
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Hybrid
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Jul 31 2017, 04:43 PM
Post #29
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May Specula Grant you Bountiful Spec!
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Alright, I didn't think I needed to actually put effort into a reply, as it seems two pictures of two birds in the same family wasn't enough.
- YixianBirdBeast
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Why would a Tyrannosaurid from a northern environment suddenly go back to being feathered when all of it's closest relatives were fully covered in scaly skin?
This question relies on the idea of Tyrannosaurus being completely featherless, which given evidence and hints from other animals is hard to argue for. The idea isn't impossible, but from what I know unlikely.
Allow me to respond back with a question: what makes tyrannosaurids unique in terms of integument that would make them unable to evolve more feathering? The fact that other tyrannosauroids have large amount of feathers, including relatively large ones, would make the case of species like Nanuqsaurus being relatively densely covered in feathers likely. Yutyrannus is a well known feathered tyrannosauroid that also lived in a cool climate, and estimates say it was a bit larger than Nanuqsaurus (9 meters long vs 6 meters long, respectably). That alone would make it certainly likely for it to be at least equally adapted for living in a cold climate.
The thing with (at least) dinosaurian integument is that they're very flexible, and can change relatively dramatically. Reticula can become feathers, and such feathers can revert back (and feathers can change to different kinds of feathers, and what not. Again, very flexible). The example I shown was of a modern one: a foot of a pheasant of sort (ring necked presumably) vs a ptarmigan's foot. Both are members of the same family, yet given the climate their integument changed. This sort of change can even be achieved through selective breeding (A silkie chicken, an example of the feathers turning into ones more akin to the fluff of chicks. A fancy pigeon, where some of the leg scutes have been turned to wing feathers).
It's quiet likely could have occurred in such Mesozoic beasts, integument changing is hardly odd in nature.
- kusanagi
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All land mammals have hair and its possible the reason they are never lost is because its primary function is not insulatory at all but tactile, helping to detect ectoparasites, for example.
One hypothesis on the origin of feathers is somewhat similar, suggesting that feathers originally served a tactile reason. Perhaps the lack of micro-feathers on the feet of many modern birds is simply because it's not needed?
- YixianBirdBeast
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Why the heck are You comparing Tyrannosaurs with Elephants? are You saying Tyrannosaurus could have potentially had a trunk or something? Tyrannosaurus did not eat peanuts so EVERYONE please stop comparing Tyrannosaurus to a Elephant
- YixianBirdBeast
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Comparing Tyrannosaurs to Elephants is so mainstream
This makes me think you're not really interested in reason, either simply trolling or you don't want an answer you don't like.
To answer your question here, the comparison with elephants is because they're some of the best comparisons we really have. If you have noticed the days of giant land megafauna is over, so modern elephants are the best thing to us especially given how much we know of their relatives. The woolly mammoths of yore are well known to have large amounts of fur as one of their adaptations to keep warm in their cold climates, while in comparison their modern relatives (Asian elephants, more distantly African elephants) who live in warmer environments have considerably reduced amount of fur. Especially if you keep in mind that these mammoths are closer to Asian elephants, changing the fur of these are animals wasn't a hard transition.
With this as well as other examples, this means that Nanuqsaurus could have easily been more feathery than its more southern relatives. The comparison isn't related to ecology to specific morphological features, but only size and climate.
- Yiqi15
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How about we compare them to ostriches, instead?
They're not of comparable size though, and other large flightless birds also live in hot climates yet they can be rather fluffy such as emus.
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If I sound rude while critiquing, I apologize in hindsight! "To those like the misguided; look at the story of Man, and come to your senses! It is not the destination, but the trip that matters. What you do today influences tomorrow, not the other way around. Love Today, and seize All Tomorrows!" - Nemo Ramjet ノ( ͡° ͜ʖ ͡°)ヽ
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IIGSY
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Jul 31 2017, 04:48 PM
Post #30
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A huntsman spider that wastes time on the internet because it has nothing better to do
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Thank you, hybrid
|
Projects Punga: A terraformed world with no vertebrates Last one crawling: The last arthropod
ARTH-6810: A world without vertebrates (It's ded, but you can still read I guess)
Potential ideas- Swamp world: A world covered in lakes, with the largest being caspian sized. Nematozoic: After a mass extinction of ultimate proportions, a single species of nematode is the only surviving animal. Tri-devonian: A devonian like ecosystem with holocene species on three different continents.
Quotes "Arthropod respiratory systems aren't really "inefficient", they're just better suited to their body size. It would be quite inefficient for a tiny creature that can easily get all the oxygen it needs through passive diffusion to have a respiratory system that wastes energy on muscles that pump air into sacs. (Hence why lungless salamanders, uniquely miniscule and hyperabundant tetrapods, have ditched their lungs in favor of breathing with their skin and buccal mucous membranes.) But large, active insects already use muscles to pump air in and out of their spiracles, and I don't see why their tracheae couldn't develop pseudo- lungs if other conditions pressured them to grow larger."-HangingTheif
"Considering the lifespans of modern non- insect arthropods (decade-old old millipedes, 50 year old tarantulas, 100+ year old lobsters) I wouldn't be surprised if Arthropleura had a lifespan exceeding that of a large testudine"-HangingTheif
"Humans have a tribal mindset and it's not alien for tribes to war on each other. I mean, look at the atrocities chimpanzee tribes do to each other. Most of people's groupings and big conflicts in history are directly or obliquely manifestations of this tribal mindset."-Sceynyos-yis
"He's the leader of the bunch You know his Coconut Gun is finally back to fire in spurts. His Coconut Gun Can make you smile If he shoots ya it's firing in spurts. His Coconut Gun Is bigger, faster, stronger too! He's the gun member of the Coconut Crew! HUH!
C.G.! Coconut Gun! C.G.! Co-Coconut Gun! Shoot yourself with a Coconut Gun! HUH!"-Kamineigh
"RIP, rest in Peytoia."-Little
"In Summary: Piss on Lovecraft's racist grave by making lewds of Cthulhu and Nyarlathotep.
Then eat arby's and embrace the void."-Kamineigh
"Dougal Dixon rule 34."-Sayornis
Phylogeny of the arthropods and some related groups
In honor of the greatest clade of all time
More pictures
Other cool things
All African countries can fit into Brazil
|
| |
| 1 user reading this topic (1 Guest and 0 Anonymous)
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