Dogs are not colorblind
Russian scientists have shown that dogs can identify many different colors, contrary to the long-held assumption that the crane can only see white and black.
Russian scientists have shown that dogs can identify many different colors, contrary to the long-held assumption that the crane can only see white and black.
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Previously, experts always thought that the ability to distinguish things and objects of dogs was based entirely on the difference between dark brightness and not purely based on color.
Recent research on dogs shows that their eyes have two types of cones, prompting experts of the Russian Academy of Sciences to suspect they can distinguish true colors. Humans have 3 types of cone cells, allowing 3 key colors to penetrate.
With two types of cells, dogs can see some colors, not whole, such as blue, green and yellow, but not red or orange. To identify the new hypothesis, they train dogs, forcing them to react to one of four different colored pieces of paper. The results showed that the subjects selected the color samples, not depending on the brightness of the object, according to a report on Proceedings of the Royal Society B.
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