what does it mean when people say that other animals can see “more colours” than humans?
In: Biology
They have eyes that are sensitive to a wider range of light above and/or below what we can see (such as infrared or ultraviolet). We don’t know what colour their brains interpret this as – it might be something we can’t conceptualise, since we only see and think in our visible spectrum.
Or… it could be a part of the same spectrum that we see that again is detected by different cells and split differently. E.g. wavelengths that we see as pale blue vs dark blue might be broken out into a wider range that could be seen as colours we can’t visualise.
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