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Why do big cats have round irises and little cats have slitted irises?

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damiri (OP)

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Why do big cats have round irises and little cats have slitted irises?

« on: 11/03/2009 04:33:08 »

The lions n tigers at the zoo have rounded irises!

Why don't my kitty cats at home?

Thanks!
Damiri

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Chemistry4me

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Why do big cats have round irises and little cats have slitted irises?

« Reply #1 on: 11/03/2009 05:39:06 »

You mean like this [

]

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Chemistry4me

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Why do big cats have round irises and little cats have slitted irises?

« Reply #2 on: 11/03/2009 05:39:53 »

Or like?

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damiri (OP)

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Why do big cats have round irises and little cats have slitted irises?

« Reply #3 on: 11/03/2009 06:15:03 »

You posted 2 pics of domestic cats. They both have vertically slit irises.

Well, here is a lion and some baby tigers. Round irises! Why? lol

crazy

tiger.jpg (5.15 kB, 140x96 - viewed 1372 times.)

lion.jpg (5.64 kB, 125x125 - viewed 1413 times.)

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Chemistry4me

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Why do big cats have round irises and little cats have slitted irises?

« Reply #4 on: 11/03/2009 06:27:49 »

The slitted irises are to help them see better in the dark when they're hunting?

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Why do big cats have round irises and little cats have slitted irises?

« Reply #5 on: 11/03/2009 07:03:21 »

lovely piccy's !

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