Bees, for instance, orient themselves in relation to the sun ​ — even on a partly cloudy day when it is hidden — ​ by locating some blue sky and seeing the pattern formed by polarized UV light.
وتتميز نباتات مزهرة كثيرة بتصاميم لا تُرى إلّا تحت الاشعة فوق البنفسجية .‏