Above: I think the chocolate may be female. My best guess on the white is male.
Above: I'm pretty sure the chocolate with more solid head is female. The chocolate with the white heads are a lot larger than the chocolate with solid heads.
Above: I'm pretty sure this is a white male and chocolate female.
Above: I notice I didnt get many shots of the whites that I think are female. They each have black splashes on their heads.
Above: The best pics I have of what I think are whie females (splashes on their heads).