A REAL bird's eye view: Camera enables researchers to see the world the way birds do 

Mail Online | 1/23/2019 | Mark Prigg For Dailymail.com
KimmyPoo (Posted by) Level 3
Click For Photo: https://i.dailymail.co.uk/1s/2019/01/22/23/8861876-0-image-a-44_1548200622939.jpg

Swedish researchers have recreated how birds see the world using a special camera.

The 'birds eye view' reveals just how different a bird's view of the world is.

Colour - Vision - Colours - Birds - Ultraviolet

While human colour vision is based on three primary colours: red, green and blue, birds can also see ultraviolet.

This, the images reveal, allows them to see foliage in stunning detail, for example.

Mess - Humans - Leaves - Birds - Dan-Eric

'What appears to be a green mess to humans are clearly distinguishable leaves for birds,' said Dan-Eric Nilsson, professor at the Department of Biology at Lund University.

'No one knew about this until this study',

Birds - Sides - Leaves - Ultraviolet

For birds, the upper sides of leaves appear much lighter in ultraviolet.

From below, the leaves are very dark.

Way - Structure - Foliage - Birds

In this way the three-dimensional structure of dense foliage is obvious to birds.

This in turn makes it easy for them to move, find food and navigate.

People - Hand - Ultraviolet - Foliage

People, on the other hand, do not perceive ultraviolet, and see the foliage in green;...
(Excerpt) Read more at: Mail Online
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