Parrots echo each other naturally – essentially a never-ending game of Marco/Polo. To me it seems like a mechanic to keep tabs on what is going on in the flock. Parrots are also fairly affectionate – both enjoying grooming each other and snuggling at night.
There are some experiments demonstrating particular birds can be very clever at figuring out puzzles, but it is truly hard to tell if they understand… or are just parroting.
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