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Old Tuesday 16th November 2004, 12:41   #1
Tefeari
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Identifying A Bird Wing (Pictures Included)

Now this may sound like I found a bird wing but I assure you all I haven’t lol.

It’s actually in relation to a possible research project I am working on: “Fractal Analysis of Avian Anatomical Structures”.

TRANSLATION: I'm seeing if mathematical formulas can duplicate any features of a bird.

Working from some ideas I've found around the net I've been able to create something that loosely resembles a bird wing.

However, I'd like help in identifying what kind/family/species of bird the wing currently resembles (in either shape or feathering structure) so that I may see if it is possible to fine tune any further.

Below is a small and large (for more detail) image of the wing, I have colored it to make the details more visible (disregard color in identification), also feel free to disregard parts of the wing length and the scraps of details/”stuff” that are scattered around it or obviously not part of a wing. If it doesn't resemble anything at all, the "Closest" will work.

Bird Wing (Smaller)
Bird Wing (Small)
Bird Wing (Large) - For more Detail

Thank you all for your help,
David

Last edited by Tefeari : Tuesday 16th November 2004 at 14:15.
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Old Tuesday 16th November 2004, 13:46   #2
David FG
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Any chance of getting the 'small' one smaller?
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Old Tuesday 16th November 2004, 14:13   #3
Tefeari
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Lol, alright, sorry about that, I've added "Smaller" to the first post above.
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Old Tuesday 16th November 2004, 14:18   #4
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Hi Tefeari,

Welcome to BirdForum from all the Moderators and Admin. Hope you get some useful answers.

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Old Tuesday 16th November 2004, 15:28   #5
Rasmus Boegh
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Relatively few birds have such strikingly long, slender wings. The shape (kind' of!) reminds of a swift, though others could very well have a better suggestion.

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Old Tuesday 16th November 2004, 15:58   #6
Tefeari
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Thanks Rasmus,

It did seem a bit long to me, however, you may dismiss parts of the wing length (or slenderness) if it allows you to better match the rest.
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Old Tuesday 16th November 2004, 16:47   #7
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First off, if you look at the larger versions, feathers are visible. This does not mean they will be any accurate; I was mostly going for a wing like shape in this.

Secondly, this is not supposed to be amazingly accurate in any fashion right now, it is a first attempt.

The idea of duplicating both the feather patterns and the wing shape of a bird in a single fractal is near "ludicrous".

Remember, a wing is very complex, and this is simply a mathematical equation. It’s doubtful that a single equation of any reasonable complexity could define an entire wing.

I'm merely looking for similarities of any fashion between this fractal and actual bird wings. From there I may adjust them further and perhaps have something that approximates an avian feature.

Try not to approach me with unnecessary hostility.

Last edited by Tefeari : Tuesday 16th November 2004 at 16:50.
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Old Tuesday 16th November 2004, 17:15   #8
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Tefeari, changing mathematical formulae into graphics is well above me. The following site may give you some further ideas as to relevant shapes you may wish to strive towards in your future attempts.

:-http://www.ups.edu/biology/museum/wingphotos.html

Best wishes. Let us know how you are progressing.

Regards

Malky.
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Old Tuesday 16th November 2004, 23:52   #9
Tefeari
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I've seen that site. It would be more useful if someone could identify offhand similar features as opposed to me looking through hundreds of pictures for anything related.

Last edited by Tefeari : Tuesday 16th November 2004 at 23:54.
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Old Wednesday 17th November 2004, 02:45   #10
pete woodall
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Hi David

I'd agree with Rasmus that it looks most like a swift's wing, perhaps
something like an African Palm Swift.

However, in saying that, you have to concentrate on the main body of the
wing and ignore the "plumes" that come out from the leading edge of the wing.
I don't think that any bird has anything like those - they would be a real
bu---r to fly with!

Pete
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Old Wednesday 17th November 2004, 09:54   #11
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I agree - it most closely resembles a fast-flying, strongly-aerial bird such as a swift or maybe a falcon at a pinch.
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Old Thursday 18th November 2004, 12:55   #12
Tefeari
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Where may I find pictures of the swift wings? The selection on the one site Alcedo gave is limited.

African Palm Swifts seem to be especially hard to find pictures of...
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Old Friday 19th November 2004, 02:58   #13
pete woodall
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Hi David

I'm not sure where you will find photos of them but any of the
southern African field guides* will have quite reasonable representations
of them in flight. I suggested the palm swift because it seems to have
longer and more slender wings than many of the other swifts.

Pete

Ken Newman "Birds of southern Africa"
Ian Sinclair, "SASOL Birds of southern Africa"
etc
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Old Friday 19th November 2004, 07:44   #14
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Try this.. its Asian... but its similar

http://www.orientalbirdimages.org/im...swift_tk_x.jpg
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Old Friday 19th November 2004, 08:26   #15
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There's a small photo of an African Palm-swift here:

http://www.camacdonald.com/birding/A...wift(WvdS).jpg

- however, as you can see it is rather poor. Depending on how seriously you take small details, I can recommend you contacting the Natural History department of one of major Universities. They are likely to have specimens and should be able to supply close-up photos of the wing.
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Old Friday 19th November 2004, 09:05   #16
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David,
There are only a couple of lousy flight shots of Cypsiurus parva around. There should be one OK nest shot somewhere on this site: http://www.wildlifephotography.co.za/
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Old Friday 19th November 2004, 09:06   #17
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Quote:
Originally Posted by cuckooroller
David,
There are only a couple of lousy flight shots of Cypsiurus parva around. There should be one OK nest shot somewhere on this site: http://www.wildlifephotography.co.za/
If you can't find it shoot me a PM with your e-mail address.
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