Insecticide-laced nest materials offer a simple fix for parasite infestation.
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References
Knutie, S. A., McNew, S. M., Bartlow, A. W., Vargas, D. A. & Clayton, D. H. Curr. Biol. 24, R355-R366 (2014).
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Morrison, J. Cotton balls help Darwin’s finches to help themselves. Nature (2014). https://doi.org/10.1038/nature.2014.15142
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DOI: https://doi.org/10.1038/nature.2014.15142