Dragoncrest Cliffs everything is the big bang's fault

It was something, right? Bobby knew that he and Furi hadn't always seen eye to eye — as it seemed to go with quite a few of his packmates — but that didn't mean that he couldn't help. He wasn't entirely sure as to what she had going on with her logs and digging and such, but he had an idea. Are you making a den? he asked, geniunely curious. 

There wasn't much sense to a wolf making a den during the thick of winter unless they were pregnant, and Furi didn't really seem like the pregnant type to Bobby. But if that wasn't it, then what else?