Say (hah) what you like about different cultures, we appear to be able to perform remarkably consistent reasoned, abstract interchanges with people we can't actually speak to, purely with stick-figure diagrams and hand-miming. Including communicating the idea "thats a lion, this is a parrot" to somebody who might not have actually seen either but has seen the lion king as a video, and watches youtube.
I totally get that animals are now understood to have introspection, abstraction, abnegation, pride, lust, envy, altruism, you name it, we can show in crude form how animals have it. But, in the end, we completely fail and explaining why a subscription to the new york times is better than only reading four free articles a month. No grey parrot, dolphin or very smart dog appears able to grasp what we're saying.
I love animals, and I feel empathetically connected with animals and as a meat-eater, I have some qualms about my a-moral stance eating obviously highly intelligent animals like pigs. But, and it is a crucial but, there is a really narrow band of communication they seem willing to engage with me in, which appears focussed on very direct basic drives of food and reward. they aren't really into higher abstract reasoning that centers on communication. Maybe they have a rich interior dialogue of abstact thought? Could we know? is an fMRI able to say that its not just dreaming, its having intelligent dreams?
I think they don't actually want to display intelligence to me. I think. I probably believe they can't but I really doubt they even want to. Maybe they're smarter than they look?