>>538592349
>Do it yourself
Fine then, if you're going to be so lazy I'll actually look into it.
On that note, I found this funny factoid: "Two months prior to oestrus (typically December), the reproductive organs of foxes change shape and size. By the time they enter their oestrus period, their uterine horns double in size, and their ovaries grow 1.5–2 times larger. Sperm formation in males begins in August–September, with the testicles attaining their greatest weight in December–February."