What was the FIRST ANIMAL to see COLOR?

[@brendan714]

Awesome video, looking forward to the rest of the series!

[@seets.8]

Still loving your videos, keep it up! I'm always interested to hear more about everything colour related

[@lynnwilliam]

Amazing video, crazy it has so few views. Great vi

[@jumpander]

I can't wait for part two! Really interesting video.
And I now want to slap that ancestor animal that got rid of its tetrachromatic vision.