dpolicar (
dpolicar
) wrote
in
aroraborealis
2009-11-16 04:56 pm (UTC)
no subject
a human will perceive as black what many birds will perceive as ultra-violet
The more I think about this phrase, the less sure I am that I know what it means.
The closest I come is that many birds distinguish via UV perception among colors that humans perceive as black.
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no subject
The more I think about this phrase, the less sure I am that I know what it means.
The closest I come is that many birds distinguish via UV perception among colors that humans perceive as black.