human mfers don't know what they're missin

Lord_ToRA, 9 months ago

Humans. What if saw purple? More.

LucidLethargy, 9 months ago

Purple more saw the humans. What if?

ALostInquirer, 9 months ago

some birds may see things more like the bottom picture? humans be missin’ out fr!

Kata1yst, 9 months ago

Sure, lots of newer studies on this. This article covers it well and gives some examples: https://academic.oup.com/bioscience/article/50/10/854/233996