Assholes aren’t different, but you can sex many mammals by seeing how close the holes are. Close together = female. More spaced apart = male.

You can use this on juveniles and even babies.

(I’m walking right into it lemmy, don’t let me down!)

literally the first thing I googled when wanting to adopt a cat “what is the difference between a male cat and female cat”

I was thinking of personality differences, not animal anatomy lol