Board Thread:Episode Discussion/@comment-25396609-20191214150938/@comment-24018437-20191215230829

NeoIceQueen wrote: It’s probably just animals that are nocturnal. And maybe a select few others

That would make sense. Barring obvious examples such as cats, scorpions eyes are very sensetive to light and while they can't see sharp images, they can use it to navigate during the night.

Sun is kind of an anomoly in that case, though you could argua that the lighthing from houses helped him fight the White Fang in the night-time scenes on Menagerie.