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@danie10 @dannyman Apparently birds have UV vision that works even at night, so why not paint #justthetip (hehehe) in such a color, or a fluorescent color so people can see it also — might be useful for flying drones, kites, ultralights, etc. RAF planes had yellow propeller tips for safety of people on the tarmac... That propeller scene in #RaidersOfTheLostArk (which freaked me out as a teen) was a German plane, of course, which didn't have that! #birdsafety #windpower
https://birdwatchingpro.com/can-birds-see-at-night/
Bird Watching ProCan Birds See at Night? Everything You Need to Know | Bird Watching Pro (March. 2023)Can birds see at night? We go over exacty how birds can see at night as well as the most common birds that fly and hunt at night.