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Color Vision: How Cats and Humans See Differently (and how we can use this to save birds)

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cat_vision.jpg

Here's what we know about cat vision (Humans Vs. Animals: Who Has Better Vision?):

 

  • Cats have a high concentration of rod receptors and a low concentration of cone receptors
  • Humans have the opposite, which is why we can’t see as well at night but can detect colours better.
  • A cat’s vision is similar to a human who is color blind. They can see shades of blue and green, but reds and pinks can be confusing. These may appear more green, while purple can look like another shade of blue.

 

 


bird_vision.jpgAnd here's what we know about bird vision (How Birds See Color):

 

  • Birds see more colors than humans..they also have better visual acuity to determine subtle differences between similar shades of color
  • The cells in the eye responsible for color detection – cones – are positioned in the retina, and birds have four types of cones rather than the three humans have.
  • ...birds that are active during the day have the best color sense.

 

My cat (Eddy) wearing the colorful collar I put on him (his bird kills have drastically decreased):

 

Cat_Collar_Rods_Cones.jpg

 

 

Given this info, here's our best guess as to how cats see their collar and how birds see it:

 

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