building vs ovulation, how to tell?

Here are a couple of our 2013 ovulations.
http://img.tapatalk.com/d/13/02/22/vu5y3y7a.jpghttp://img.tapatalk.com/d/13/02/22/enybaquj.jpg

Quarters on each for comparison

You will almost always see the tail bent right below the eggs, as in the pics above and with these ovy pics ...

http://i968.photobucket.com/albums/a...ps5cd0c87d.jpg
http://i968.photobucket.com/albums/a...r/PICT4583.jpg