If you watch pets closely enough and for long enough, you might get a sense that animals can understand certain cues from people and that they sometimes try to communicate their wishes to people. Certainly not all pets are intelligent, but it's a common experience for many people. Wild animals aren't so different from their domesticated cousins, so it should maybe not be surprising that various wild animals are intelligent in some ways. Here are just a few links on the growing evidence of advanced animal cognition.
If you'd like to read more awesome and interesting stuff, check out this unrelated (but not entirely random!) Techdirt post