It is funny how at least the press written about this sort of research seems to imply only humans have language and some new evidence might challenge that notion. Really if you ever own a pet, probably any pet I bet, you find that communication in a way that is arguably a language is pretty low level stuff in the animal kingdom. And it makes sense as it is quite useful for a species to communicate things about the wo…
Language is not just "communication" and not every communication is language. Bees and ants communicate information chemically, but they're not using a structured language. Dogs may growl to intimidate or yelp if they get hurt, and that surely communicates information, but whether they are using a structured language is a matter of research.
https://animalwise.org/2011/08/25/the-honeybee-waggle-dance-...