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Can hosts tolerate avian brood parasites? An appraisal of mechanisms
- Avilés, Jesús M
- Behavioral ecology 2018 v.29 no.3 pp. 509-519
- birds, hosts, parasites
- Can hosts buffer the impact of avian brood parasites (I.e. tolerate) after being parasitized? Here I review empirical evidence about tolerance and conclude that evidence for true tolerance is inconclusive and scarce, and that experimental studies controlling for possible confounding variables are clearly needed to critically demonstrate tolerance defence in hosts. I propose an array of yet unexplored mechanisms to be investigated based on parental investment theory and advocate the use of a theoretical framework based on the reaction norm paradigm that can help detecting the effects of tolerance in future studies.