Establishing the sex of kittens usually is difficult, especially for beginners. For that we decided to make this task easier publishing here pictures of our kittens bums.
male
At the picture you can see a small hole below the tail, this is an anus, just below it there is a small bulge. This bulge is going to develop into testicles. Beneath it, there is a penis (it's not visible at this picture). For practice, the most important is the distance between the anus and the genital organ, which is bigger for male than female.
female
Below the anus, there is a vulva. The distance between these two openings is smaller for a female then a male.
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