Just for the rekkid, that’s a starling, not a corvid.
Do all birds see in ultraviolet? Im kinda wondering the advatage. Do they have our type of color spectrum or is it more limited? Do other animals see in that part of the spectrum? Is it a night vision thing?
Sometimes you can get a hint of their coloration when the sun hits them just right and you see a little hue.
it’s interesting information, but I take issue with the way it’s presented. if it just said “some birds have ultraviolet coloration visible to each other but invisible to humans,” then fine. but the claim “crows aren’t black” is ridiculous, “black” is a concept created by humans, and if every human agrees something is black, then it is, as much as anything can be. we have no idea how birds categorize color, and it seems pretty safe to assert that they don’t have names for those categories; and for us to categorize and name the colors we see based on how we think birds perceive them is just silly
Real question here, do they make like glasses to see that? Or how do we know?
