Bees have different dialects, and can learn other bees language.

[Javin]

http://www.theage.com.au/national/dance-a-universal-language-for-bees-20080604-2lw8.html

Thought this was interesting, if a bit old.  Apparently bees in different parts of the world have different "dialects" in their dances.  However, when brought together, they can eventually learn each other's language and continue working together.