I truly believe that thinking other species are “less intelligent” than us comes down to our own inability to have a complex dialogue with them. Time and again, we have a pioneer who is somehow able to break this barrier through sheer perseverance. Then we get Kokos of the world. Now we’ve noticed traits resembling true human toddler like understanding in dogs and even some birds.
Perhaps one day, brain interface devices and machine learning will help us cross that barrier for good, and unlock a new age of learning from our peers in the animal kingdom.