Sounds similer to what my rats did today. I've got a Pringles container with both ends open. Missy and Tessa go in through one side each and end up out the other end. How they managed to fit with those fat bellies is an oddity to me. :P
Oi, combining 2 creatures who individually are very smart..They could surpass our own capacity for great thinking..and Rule the world! *Happily awaits humankind's enslavement from the Ferrat Overlords*.