The Naked Scientists
  • Login
  • Register
  • Podcasts
      • The Naked Scientists
      • eLife
      • Naked Genetics
      • Naked Astronomy
      • In short
      • Naked Neuroscience
      • Ask! The Naked Scientists
      • Question of the Week
      • Archive
      • Video
      • SUBSCRIBE to our Podcasts
  • Articles
      • Science News
      • Features
      • Interviews
      • Answers to Science Questions
  • Get Naked
      • Donate
      • Do an Experiment
      • Science Forum
      • Ask a Question
  • About
      • Meet the team
      • Our Sponsors
      • Site Map
      • Contact us

User menu

  • Login
  • Register
  • Home
  • Help
  • Search
  • Tags
  • Member Map
  • Recent Topics
  • Login
  • Register
  2. Naked Science Forum
  3. Life Sciences
  4. Plant Sciences, Zoology & Evolution
  5. Why do big cats have round irises and little cats have slitted irises?
« previous next »
  • Print
Pages: [1]   Go Down

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

  • 5 Replies
  • 8262 Views
  • 0 Tags
    •

0 Members and 1 Guest are viewing this topic.

Offline damiri (OP)

  • First timers
  • *
  • 7
  • Activity:
    0%
  • Armchair Scientist
    • View Profile
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
Logged
Unseen, in the background, Fate was slipping the lead into the boxing glove. - P.G. Wodehouse

Twitter me: Damiri
 

Offline Chemistry4me

  • Naked Science Forum King!
  • ******
  • 7705
  • Activity:
    0%
  • Thanked: 1 times
    • View Profile
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 [???]

Logged
 

Offline Chemistry4me

  • Naked Science Forum King!
  • ******
  • 7705
  • Activity:
    0%
  • Thanked: 1 times
    • View Profile
Why do big cats have round irises and little cats have slitted irises?
« Reply #2 on: 11/03/2009 05:39:53 »
Or like?

Logged
 

Offline damiri (OP)

  • First timers
  • *
  • 7
  • Activity:
    0%
  • Armchair Scientist
    • View Profile
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 5003 times.)

* lion.jpg (5.64 kB, 125x125 - viewed 5046 times.)
Logged
Unseen, in the background, Fate was slipping the lead into the boxing glove. - P.G. Wodehouse

Twitter me: Damiri
 

Offline Chemistry4me

  • Naked Science Forum King!
  • ******
  • 7705
  • Activity:
    0%
  • Thanked: 1 times
    • View Profile
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?
Logged
 

Offline Karen W.

  • Moderator
  • Naked Science Forum GOD!
  • *****
  • 31794
  • Activity:
    0%
  • Thanked: 27 times
  • "come fly with me"
    • View Profile
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 !
Logged

"Life is not measured by the number of Breaths we take, but by the moments that take our breath away."
 

  • Print
Pages: [1]   Go Up
« previous next »
Tags:
 

Similar topics (5)

Why do round rocks make higher splashes than flat rocks?

Started by kpriceBoard Physics, Astronomy & Cosmology

 Replies: 9
Views: 9764 		Last post 24/10/2009 21:46:00
by kprice
Train Tracks - how trains go round corners - Kitchen Science

Started by thedocBoard Physics, Astronomy & Cosmology

 Replies: 3
Views: 6671 		Last post 20/11/2012 22:42:38
by Boogie
How large accumulator pack to power a household whole year round?

Started by McKayBoard Technology

 Replies: 6
Views: 5656 		Last post 25/06/2014 22:58:49
by McKay
Could an asteroid orbiting round Mars make it a more hospitable planet?

Started by thedocBoard Physics, Astronomy & Cosmology

 Replies: 1
Views: 2050 		Last post 31/03/2016 21:18:04
by evan_au
What causes the short gap between the bunsen flame and the round bottomed flask?

Started by glovesforfoxesBoard Chemistry

 Replies: 1
Views: 4512 		Last post 03/11/2009 19:58:17
by glovesforfoxes
There was an error while thanking
Thanking...
  • SMF 2.0.15 | SMF © 2017, Simple Machines
    Privacy Policy
    SMFAds for Free Forums
  • Naked Science Forum ©

Page created in 0.117 seconds with 47 queries.

  • Podcasts
  • Articles
  • Get Naked
  • About
  • Contact us
  • Advertise
  • Privacy Policy
  • Subscribe to newsletter
  • We love feedback

Follow us

cambridge_logo_footer.png

©The Naked Scientists® 2000–2017 | The Naked Scientists® and Naked Science® are registered trademarks created by Dr Chris Smith. Information presented on this website is the opinion of the individual contributors and does not reflect the general views of the administrators, editors, moderators, sponsors, Cambridge University or the public at large.