No, only that they are dangerous.

[ — were those rats safe to eat, actually? He's not sure he really wants to find out, but beggars can't also be choosers. ]

But they must feed on something. I'm sure that if we work together, [ realising that it could mean him and her specifically... which is weird, he quickly adds, ], all of us with the relevant skills, it will be worthwhile. We will be able to go farther and for a little longer than they have been able to.