I'd give ya a hand but I"m definitely more than 30 min. away. If you get get pics of their nether regions, I might be able to help. Improve the lighting, put them on a solid background surface, and utelize flash/no flash depending on what works to get the proper color/anatomy to show up.
Also, young mice like this are hard. much easier to sex once they get closer to the separation age. You've got time, don't worry.
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
NMGA miniature meat goats, Silver Fox and NZW Rabbits, Muscovy ducks, several breeds of chickens, fancy mice and rats in Michigan