European wildcats are larger than "domestic" cats, but smaller than bobcats - sort of like an ocelot or civet - or think of a Maine Coon with attitude on a bad fur day. They tend to be stocky and tabby coated. Even when born in captivity or bred with "domestic" cats (not a particularly good idea but it happens) they retain a wild and uncontrollable streak a mile wide. There have been cases of abandoned wildcat kits being nursed and cared for by "domestic" cats, but they've never been as friendly or maleable as their litter mates.

LTS