(Phys.org) —Biologists have discovered that a wallaby's perception of colour is more similar to a dog than a quokka, sparking questions as to why marsupial colour vision has evolved so selectively.
As humans, we experience an amazing world of colour, but what can other animals see? Some see much more than us, but how they use this vision is largely unknown.
Ultraviolet vision evolved at least eight times in birds from a common violet sensitive ancestor finds a study published in BioMed Central's open access journal BMC Evolutionary Biology. All of these are due to single nucleotide ...
(Phys.org)—Researchers have long tried to explain the enormous diversity in colour of birds, and a new study is giving insights into why the humble fairy-wren, a colourful Australian bird, is radiantly blue.
Sharks may be unable to distinguish between colours, according to a lab study published on Tuesday that could benefit swimmers, surfers and sharks themselves.
(PhysOrg.com) -- If you have ever looked up from the depths of the ocean, you will understand how difficult it can be to identify objects above the surface.
(PhysOrg.com) -- Most people wouldn't give a second thought to the inner workings of the fish eye. But research by University of Queensland scientists is unlocking the secrets hidden behind these fishy lenses.
(PhysOrg.com) -- In a major advance in understanding how our eyesight works, Australian scientists have shown that birds' amazing flight and landing precision relies on their ability to detect edges.
The night vision of frogs and toads appears to be superior to that of all other animals. They have the ability to see colour even when it is so dark that humans are not able to see anything at all. This has been shown in ...
In the animal kingdom colourful traits can be both a blessing and a curse. A new study from a group of researchers at Uppsala University has studied the conspicuous wing coloration of two species of damselflies. Their results ...