I find it interesting that for people saying animals are not as smart as humans, do not understand things like humans do, etc., they seem to be very smart. Any time any of them suffers from a disability, they don't know to let that slow them down, they don't know enough to let that depress them, they just keep on going. On a site that has a bunch of cat pictures, in one day I came across two videos, one for a cat that was born in a barn, I guess disfigured, so she had no front paws, so she stood on her back ones all the time and she could run and jump and play on her scratching post and everything. Then there was another video of a cat who had been electrocuted, and she'd had all four of her limbs amputated, but she still managed to wiggle around to move and she could still play with her toy mice and it just blows my mind to see stuff like that.