| introduced and native congeners use different resource allocation strategies to maintain performance during infection. | abstract hosts can manage parasitic infections using an array of tactics, which are likely to vary contingent on coevolutionary history between the host and the parasite. here we asked whether coping ability of congeners that differ in host-parasite coevolutionary history differed in response to experimental infections with a coccidian parasite. house sparrows (passer domesticus) and gray-headed sparrows (passer griseus) are sympatric and ecologically similar, but house sparrows are recent colon ... | 2014 | 24940920 |