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Owls

05/06/2012 1:38 AM

i think we all know that owls can't move there eyes. they move their heads instead. approximately 180 degrees in each direction is my understanding. that would enable them to search a full 360 degree circle. [redundent]

my theory is that owls are'nt able to move their eyes because their eyes and ears work in conjunction to triangulate the exact location of there prey in the dark. i've never heard this mentioned by any naturalist.

i'm sure there's alot of opinions out there. lets hear them.

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#1

Re: owls

05/06/2012 2:03 AM

Such an ingeniuos design! Every time you come across some wonderful thing about nature, it is hard to believe that there is not a great creator/designer up there!

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#2
In reply to #1

Re: owls

05/06/2012 3:47 AM

Please get a real science education, so you don't keep on saying things like that.

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#4
In reply to #2

Re: owls

05/06/2012 4:39 AM

please tell me tornado, why "can't" an owl move it's eyes. i'm open for suggestions. i think i was asking for different opinion when i posted this question.

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#7
In reply to #4

Re: owls

05/06/2012 5:16 AM

Please note that I was replying to post 1, and not to your original thread.

I don't remember if I have heard before about owls' non-moving eyes. Of course the ears don't move (except maybe small flaps), so it may be that the eyes and ears do work in conjunction (though maybe not the eyes in the dark). The liberal head movement could substitute for eye movement. Etc. I'm no ornithologist, and so don't know how much other birds share this characteristic. It's an interesting question.

Del was also replying to post 1, not to you.

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#11
In reply to #2

Re: owls

05/06/2012 6:01 AM

Just for your information I have a good education in Science and I am a hardcore practising engineer on daily basis. Also, I am not religious kind of person, but very often , one couldn't help to wonder . Sorry to the OP, this is very very off topic !

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#18
In reply to #11

Re: owls

05/06/2012 10:30 AM

I'm glad you said you were "practising" being an engineer.

From:

Owl Eyes and Vision - The Owl Pages

The forward facing aspect of the eyes that give an Owl its "wise" appearance, also give it a wide range of "binocular" vision (seeing an object with both eyes at the same time). This means the owl can see objects in 3 dimensions (height, width, and depth), and can judge distances in a similar way to humans. The field of view for an owl is about 110 degrees, with about 70 degrees being binocular vision.

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#29
In reply to #2

Re: owls

12/12/2012 11:08 AM

What is his/her "science education"?

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#3
In reply to #1

Re: owls

05/06/2012 4:30 AM

I suggest you read this book, it gives a compelling explanation of some of the 'so complicated it must have been designed' features of life, E.G the eye.
The natural worls shows every step of sophistication from a single light sensitive cell to the human eye and the compound eye of insects.
Complexity is oft missunderstood, it's the simple things we should marvel at.
Which is the more amazing a computer or a boomerang?
Del

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#5
In reply to #3

Re: owls

05/06/2012 5:03 AM

i was referring to the eyes and ears working in conjunjuction with each other like radar if you will.

i could'nt care less about your personal opinions regarding my education. i have bigger fish to fry. as a matter of fact, i find it amusing. so do my men.

you might get rise from some young punk though. try it. it may give you a bit of satisfaction.

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#6
In reply to #5

Re: owls

05/06/2012 5:15 AM

Durtieduck, if you check out the top right corner of each post, you will notice it lets you know who the particular poster is replying too! In the reply from Tornado for example, he was replying to the person who was replying to you and not you in person! Pull the chin in a bit and relax man!

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#8
In reply to #5

Re: owls

05/06/2012 5:22 AM

disreguard my last comment.

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#9
In reply to #8

Re: owls

05/06/2012 5:26 AM

i apologize for my crude remark.

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#10
In reply to #9

Re: owls

05/06/2012 5:30 AM

No biggie. It takes a while to get the full hang of the system.

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#30
In reply to #5

Re: owls

12/12/2012 11:09 AM

Your Men?

Do your sharks have lasers?

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#15
In reply to #3

Re: owls

05/06/2012 8:26 AM

Thanks for the link to the book.

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#19
In reply to #3

Re: owls

05/06/2012 10:38 AM

A boomerang is far more amazing. I've never been able to get a computer to come back to me after throwing it into the air.

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#22
In reply to #19

Re: owls

05/07/2012 12:21 AM

Should have read all the threads. You beat me to it. Now I'm learning about owls and turning heads, what a wonderful world.

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#23
In reply to #22

Re: owls

05/07/2012 7:27 PM

As long as we're learning, it's all good.

And to think, a cat started it.

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#25
In reply to #19

Re: owls

05/08/2012 2:17 AM

i' having the same problem. it always seems to land in the garbage.

go figure???

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#21
In reply to #3

Re: owls

05/07/2012 12:11 AM

The boomerang for sure! If made from wood, not one is like the other and that is good because there are so many different types and uses.

Computers are about all the same and they will come back united one day and maybe hit us, and with more velocity than a returning stick

What a wonderful world

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#12

Re: owls

05/06/2012 6:24 AM

An owl hunts at night, so it needs big eyes to receive images. So big in relation to it's skull that they are almost tubular. Pretty much impossible to move them inside the socket.

They eyes have a wide field of vision, but said birdy still needs to discreetly swivel its head in order to locate potential prey. When an owl turn it's head, the profile doesn't change much (it wouldn't be good if the prey spotted it swivelling it's head). The beak is fairly tucked in, and in general the ears are low profile.

I'd suggest that either ears or eyes might locate a possible target, and that whichever sense didn't get the first signal is then bought into play for accurate location. The last thing a sniper does is to make any movement, so head turning is more likely speculative looking.

Eyes, neck, and ears are an evolved 'whole' to maximize stealthy night hunting.

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#13
In reply to #12

Re: owls

05/06/2012 7:07 AM

how do you know?

just a payback for a previous comment concerning my post.

HOW "DO" YOU KNOW KRIS?

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#14
In reply to #13

Re: owls

05/06/2012 7:32 AM

3 lines of ambiguity in one post. I'm impressed.

Feel free to expand.

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#16
In reply to #14

Re: owls

05/06/2012 9:14 AM

ps. check out owls hole.

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#17
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Re: owls

05/06/2012 9:22 AM

Yah...

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#20
In reply to #13

Re: owls

05/06/2012 11:06 AM

Waitnng (as you may do one day) - put up or shut up. Have I goaded you enough ?

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#24
In reply to #20

Re: owls

05/08/2012 2:09 AM

you will discover that an owls eye balls are attached to thier sclerotics. why whould their eyes be attach to their skull unless it was meant to prevent their eyes from moving?

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#26
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Re: owls

05/08/2012 7:07 AM

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#27

Re: Owls

05/09/2012 10:35 AM

The eyes of an owl are so huge in relation to its head that there is insufficient space in its skull for the muscles to move its eyes.

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#28
In reply to #27

Re: Owls

05/09/2012 11:10 AM

I'm probably wrong, but there is a question here; The Owl has a neck the can turn in all directions, why so rather than its eyes either moving up/down or being atop it's head.

Just my opinion, but here goes; The head can swivel, and scarce be seen to do so - it's almost bell shaped. It's almost like a Dalek. It doesn't need to rotate it's head for eyes to come into play, but it does for it ears. The ears pick up a signal at whatever angle, and it discretely turns it's head. At that point, it's vision and ears can locate prey.

dirtieduckie - I apologize for any misundersatnding. Mea Culpa. My thinking is that both senses are as important. Were it not so, we would either have deaf or blind owls.

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