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Prehistoric Birds May Have Used Four Wings

prehistoric birds fly four wings

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14 replies to this topic

#1    Still Waters

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Posted 14 March 2013 - 09:30 PM

Roughly 150 million years ago, birds began to evolve. The winged creatures we see in the skies today descended from a group of dinosaurs called theropods, which included tyrannosaurs, during a 54-million-year chunk of time known as the Jurassic period.

Why the ability to fly evolved in some species is a difficult question to answer, but scientists agree that wings came to be because they must have been useful: they might have helped land-based animals leap into the air, or helped gliding creatures who flapped their arms produce thrust.

http://blogs.smithso...r-wings-to-fly/

Four-winged birds? First fossils identified

http://science.nbcne...identified?lite

Edited by Still Waters, 15 March 2013 - 03:14 PM.
Added another source link

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#2    AquilaChrysaetos

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Posted 14 March 2013 - 09:37 PM

View PostStill Waters, on 14 March 2013 - 09:30 PM, said:

Why the ability to fly evolved in some species is a difficult question to answer,

Maybe because Darwinism's just a bunch of speculations based on no evidence...

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#3    Ashotep

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Posted 15 March 2013 - 12:09 AM

Maybe I should stand on the house and flap my arms.  Maybe I could develop wings and fly away.

I might get committed too.


#4    Tutankhaten-pasheri

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Posted 15 March 2013 - 01:32 PM

This story also on Russian media today. This is a photo from vesti.ru of Confuciusornithidae, or number 176 in a Chinese menu :)
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#5    Jacques Terreur

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Posted 15 March 2013 - 01:40 PM

View PostAquilaChrysaetos, on 14 March 2013 - 09:37 PM, said:

Maybe because Darwinism's just a bunch of speculations based on no evidence...

what is your alternative on Darwin's theory of evolution?


#6    Zeta Reticulum

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Posted 15 March 2013 - 04:41 PM

View PostHilander, on 15 March 2013 - 12:09 AM, said:

Maybe I should stand on the house and flap my arms.  Maybe I could develop wings and fly away.

I might get committed too.
Well if evolution is correct, maybe if we all flap our arms each day, in a few million years people will have developed wings and the ability to fly.


#7    Lava_Lady

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Posted 15 March 2013 - 05:48 PM

View PostAquilaChrysaetos, on 14 March 2013 - 09:37 PM, said:



Maybe because Darwinism's just a bunch of speculations based on no evidence...

Yeah, unlike religion which is backed up by hard evidence...

This 4 wing theory does not make a lot of sense.  The large feathers on the back legs were probably just that, large feathers.  May have aided in gliding.

Edited by Lava_Lady, 15 March 2013 - 05:54 PM.

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#8    Starseed hybrid 1111

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Posted 15 March 2013 - 08:23 PM

interesting its more than possible and etc.like how long ago did they lose the other two set of wings?


#9    highdesert50

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Posted 18 March 2013 - 11:13 AM

There is certainly less energy expelled in walking than in flying. So, using that argument, and the notion that these feathered legs would have inhibited movement, why would feathered flying legs ever emerged as an evolved trait?


#10    Abramelin

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Posted 19 March 2013 - 08:47 AM

View PostAndromedan Starseed 333, on 15 March 2013 - 08:23 PM, said:

interesting its more than possible and etc.like how long ago did they lose the other two set of wings?

They never did lose the other set of wings: it were -and still are- also legs.

.

Edited by Abramelin, 19 March 2013 - 08:47 AM.


#11    Abramelin

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Posted 19 March 2013 - 08:51 AM

View PostZeta Reticulum, on 15 March 2013 - 04:41 PM, said:

Well if evolution is correct, maybe if we all flap our arms each day, in a few million years people will have developed wings and the ability to fly.

The evolution theory is most probably correct, but your understanding of it is obviously not.


#12    Tutankhaten-pasheri

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Posted 19 March 2013 - 04:38 PM

View Posthighdesert50, on 18 March 2013 - 11:13 AM, said:

There is certainly less energy expelled in walking than in flying. So, using that argument, and the notion that these feathered legs would have inhibited movement, why would feathered flying legs ever emerged as an evolved trait?
The feathers would have evolved before flight, for instance we now know velociraptor had feathers on parts of it's body, forearms, head and arms I think. Probably for display, but I think also for warmth. On the smaller dinosaurs these feathers were very small and seem to act as down for insulation. I presume that it is no longer disputed that dinosaurs were warm blooded, or at least the later manifestations of theropods. I can see how the "down" on small tree climbing theropods would have evolved into proper flight feathers, and cumbersome feathers on the legs gradually becoming smaller until non exitant. They would have been gliders before becoming flappers.


#13    shrooma

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Posted 21 March 2013 - 05:39 AM

View PostZeta Reticulum, on 15 March 2013 - 04:41 PM, said:

Well if evolution is correct, maybe if we all flap our arms each day, in a few million years people will have developed wings and the ability to fly.
.
I was kinda hoping for jetpacks & hovercars instead.....
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#14    Frank Merton

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Posted 21 March 2013 - 05:53 AM

View PostAbramelin, on 19 March 2013 - 08:51 AM, said:

The evolution theory is most probably correct, but your understanding of it is obviously not.
That would be inheritence of acquired characteristics.  Chop off the puppy's tail and it does not alter the length of its decendents' tails.

I would say we should prefer the phrase, "evolutionary theory," representing the body of understanding science has about evolution.  The other wording is obsolete and misleading.

Now if there were some reason puppies born with short tails survive and reproduce better than those with longer tails, then nature would select in favor of those with shorter tails and ultimately the longer tails would disappear.

Edited by Frank Merton, 21 March 2013 - 05:54 AM.


#15    Geldoblam

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Posted 30 March 2013 - 10:41 AM

If they flew with four wings why lose them then?





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