A smarter cat plots better ways to murder small animals and calculate more comfortable resting places. Having a smart ones he seemed to be doing all the cat thi

A smarter cat plots better ways to murder small animals and calculate more comfortable resting places. Having a smart ones he seemed to be doing all the cat things pretty optimally. For social conflicts him being huge enough that other cats and roaming dogs where scared was a lot more useful. A super high IQ could maybe useful for hunting in dangerous places (it would avoid getting hit by cars and other hazards in cities).