These guy are becoming really rare. The local flap-necked chameleon
There used to be plenty at the farm when I was growing up, but roads and traffic are decimating them in our area.
I was heading out to the farm this week-end and was lucky to see this one crossing the road.
We were able to quickly make a u-turn and pick it up before it was squished by the cars behind us.
They don't quite have three brains but they have two "non-coupled neural bundles". One neural bundle for controlling each eye. These then send separate images to the brain for processing.