I have never had turtles breed. But im pretty sure they my male is trying to get some... Lol. I have actually seen then "do it". But how do i know if she is pregnant? I will have to move her to another tank to lay if need be. They will be mutt turtles... He is a Map and she is a type of Cooter i think. Here is a video i took:
https://www.youtube.com/watch?v=o0h48y6KUis&feature=youtube_gdata_player
https://www.youtube.com/watch?v=o0h48y6KUis&feature=youtube_gdata_player