No, the other one was not left handed, it was a completely different species. They are unable to breed with the other species because when they meet on the slope of a cliff/mountain and one turns round to mate, its shorter legs are then on the downslope and it falls over.
Now, square pupils must have a weakness like the Comet airliner square windows. Wonder how evolution in goats squared that? Sorry.
You must never have seen a copy of the 'Baaaa-maa Sutra....'