If_In_Doubt_Lick_It t1_jcb7ffk wrote
Reply to comment by Aalnius in Cemetery staff take out personal ad for goose whose mate died — and find her a new match by citytiger
Birds can see light in the uv spectrum. There are films and repellants you can apply that fluoresce to them in daylight. So they can see it and we can not.
Its a fun research dive. Theres a lot of birds that have uv reactive markings that we cannot see on them, but they can.
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