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I think she should be OK. Hamsters in the wild will take some protein rich food like insects or carrion and a female hamster who feels threatened will cull and eat a whole litter. They can suffer some digestive upset after this so feed only a dry mix for now till you are sure her tummy is settled. Keep a watch on her for weight loss etc in case the small creature had any parasites like worms. She would need treatment from the vets if she did lose weight or condition but hopefully she will be just fine.