Two years ago our cat had kittens. One was a male calico. When it came time to get rid of them, my wife wanted to keep it. I told her that since it is so hard to determine the sex of a cat, to take it to the vet and make sure it is male. She took it and sure enough it was male.
[spoiler]Well, the other day, it had kittens. [/spoiler]
Anybody want he/she? Come and get him/her. Before I take him/her to our local Chinese restraunt.