TIL bees are the only known species other than humans that can tell the difference between odd and even numbers.
https://theconversation.com/honeybees-join-humans-as-the-only-known-animals-that-can-tell-the-difference-between-odd-and-even-numbers-181040
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1d6jgup/til_bees_are_the_only_known_species_other_than/