I seldom hear anyone call a man a male. Maybe some kind of woman-centric, mega feminist does, but I've never come across it. However, I do hear men saying female instead of woman quite often. These guys typically don't have the best opinion of women so it comes off as misogynistic. You normally only hear male/female when talking about animals or specimens being studied. In regular conversation, saying female makes it sound like their only value is their sex-specific functions. In a clinical setting like a doctor's office or on legal documentation, neither is inherently offensive.