* Cows communicate with each other: They use a variety of sounds, including moos, grunts, and snorts, to communicate things like danger, hunger, or wanting to be left alone.
* Sounds are similar: Even though cows live all over the world, their basic sounds are very similar. The "moo" is a universal sound that all cows use.
* It's a joke: The idea that cows speak different languages is a playful way of thinking about animal communication.
So, no, cows don't moo in different languages. Their moos are a part of their natural communication system, just like any other animal.