Some of you have requested video evidence that Pirates and Ninjas can in fact co-exist, so I submit the above. If you'll notice, it's the smaller, scrappy Pirate that initiates the whole affair by grooming then attacking Ninja. Ninja obliges as gently as a 50-lb dog can, occasionally sticking Pirate's entire head in her mouth, at other times offering her legs like drumsticks to the cat. I edited out as much cuteness as I could to keep it under two minutes, but it was tough.