Dolphins talk to each other in complete sentences.
http://www.telegraph.co.uk/science/2016/09/11/dolphins-recorded-having-a-conversation-for-first-time/
http://www.telegraph.co.uk/science/2016/09/11/dolphins-recorded-having-a-conversation-for-first-time/
One of the key 'Science Fiction' themes in my Singularity's Children series, is that animals are much smarter than we generally assume.
Teach a parrot to talk and it has surprisingly clever things to say.
It seems unfair that an animal has to first learn our language before sitting its IQ test.
I am convinced that animals will sound smarter in their own languages, just as my kids tell me I come across as a dimwit when I speak in German.