Naked Science Forum

Life Sciences => Plant Sciences, Zoology & Evolution => Topic started by: damiri on 11/03/2009 04:33:08

Title: Why do big cats have round irises and little cats have slitted irises?
Post by: damiri 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

Title: Why do big cats have round irises and little cats have slitted irises?
Post by: Chemistry4me on 11/03/2009 05:39:06

You mean like this [???]

(https://www.thenakedscientists.com/forum/proxy.php?request=http%3A%2F%2Fimg1.eyefetch.com%2FPortfolio%255Ckb027%255C12107.jpg&hash=94e6f917555f9633c121dbc10004b299)

Title: Why do big cats have round irises and little cats have slitted irises?
Post by: Chemistry4me on 11/03/2009 05:39:53

Or like?

(https://www.thenakedscientists.com/forum/proxy.php?request=http%3A%2F%2Fwww.istockphoto.com%2Ffile_thumbview_approve%2F989007%2F2%2Fistockphoto_989007_cat_eye.jpg&hash=0899fb45c62d31f96a68c9b6f62308c2)

Title: Why do big cats have round irises and little cats have slitted irises?
Post by: damiri 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

Title: Why do big cats have round irises and little cats have slitted irises?
Post by: Chemistry4me on 11/03/2009 06:27:49

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

Title: Why do big cats have round irises and little cats have slitted irises?
Post by: Karen W. on 11/03/2009 07:03:21

lovely piccy's !