rio grande cooter

I just noticed that my Rio Grande cooters have been huddling together like this most mornings for a couple hours, usually with eyes closed at least some of the time. I wonder if they have noticed the seasons even inside. The tank and room its in get a lot of outside light, so its not a crazy...

Good evening! How often do y'all notice your turtles sleeping? At night, during the day, doesn't matter. With all my previous turtles (Southern painted, razorback musk, Mississippi map, giant mexican musk) I noticed them sleep pretty rarely except when I came up to them late at night when the...