someone must have done this. - Colin Blakemore did a lot on cats visions which had had the animal rights people going around trying to burn down his house
wd pussy see the orange flames? yes probz
some animals have an extended palate ( flies, insects) - I am not sure if an mammals do. I am not sure if mammals can see extra frequencies but not sense ( no I think)
Chickens have coloured oils in their cones to colour code
BUT - -- of course mummy cats dont teach young cats that is blue, and that is red....
BUT Newton felt when he 'did' the rainbow that there should be 7 colours because 7 was a sacred number so.... he invented Indigo as a new colour. (*)Newton was sure after Opticks that if he thought about and prayed about the Bible, God would reveal all - or alot. This was standard 1680 theology ( think and pray, God wd foop you on a direct line forget saints and popes)
so we had seven. Japanese have three, clearly there has to be spectrum overlap. This is done a lot by Trevor Roper Through Blunted sight. - Big seller in the 60s and 70s
but this is perception rather than frequency of EM radiation
Another is Colour in Nature
BUT what about in the past - Homer and wine dark seas?
oir Homer and rosy-fingered dawn ( porphyro-dactylos)
Have fun