alt Hacker NewsDaytime birds are tetrachromats (as are some reptiles), and have dedicated receptors for UV, so they see each other VERY different than we see them!
Daytime birds are tetrachromats (as are some reptiles), and have dedicated receptors for UV, so they see each other VERY different than we see them!
If you want a nice take on what that would be like for humans - Greg Egan has an interesting short story called “Seventh Sight” about people bio hacking themselves to gain expanded spectral perception. It’s in his Instantiation Anthology.