A popular Indian folk remedy involves hanging bottles of colored water, particularly blue, to deter stray animals. While locals claim this method, believed to confuse or repel animals through light refraction or scent, is effective, veterinarians and scientific evidence confirm it is a myth. More humane and proven strategies are recommended for coexistence.
source https://timesofindia.indiatimes.com/etimes/trending/just-a-myth-or-scientific-trick-strange-reason-people-place-coloured-water-bottles-outside-their-homes/articleshow/125842438.cms
source https://timesofindia.indiatimes.com/etimes/trending/just-a-myth-or-scientific-trick-strange-reason-people-place-coloured-water-bottles-outside-their-homes/articleshow/125842438.cms