Only the rats survive, never the lions.
The rats survived where they could, giving no thought to the nature of their surroundings; Complain could only say the same of himself until now.
On the other hand, only rats and dogs brought by the founders have survived, not the more valuable pigs and chickens.
I don't think it would be a life ending event, but I'd bet everything larger than a rat wouldn't survive.
Soon it rose to normal level and the rat survived.
The diabetic rats survived after receiving only one injection of antilymphocyte serum.
The epilogue indicates that one rat survived the purge by being trapped in the basement of a grocery shop.
The operation will be repeated a week later to ensure no rats survive.
But I think a few rats did survive.
It would survive, just as legend held it the rat had survived the Sundering.