need help sex sand boas

here are some pics http://i776.photobucket.com/albums/y...s/100_3455.jpghttp://i776.photobucket.com/albums/y...s/100_3461.jpghttp://i776.photobucket.com/albums/y...s/100_3459.jpg

Looks like 2 girls to me.

The bottom one in the first picture is female, the other one I'm not sure.

p.s. why is this in general pythons?