Darwin’s finches treat their feathers with a natural repellent

@article{Cimadom2016DarwinsFT,
  title={Darwin’s finches treat their feathers with a natural repellent},
  author={Arno Cimadom and C. Causton and D. Cha and D. Damiens and B. Fessl and R. Hood-Nowotny and Piedad Lincango and Alejandro E. Mieles and E. Nemeth and Elizabeth M. Semler and S. Teale and S. Tebbich},
  journal={Scientific Reports},
  year={2016},
  volume={6}
}
Darwin’s finches are highly innovative. Recently we recorded for the first time a behavioural innovation in Darwin’s finches outside the foraging context: individuals of four species rubbed leaves of the endemic tree Psidium galapageium on their feathers. We hypothesised that this behaviour serves to repel ectoparasites and tested the repellency of P. galapageium leaf extracts against parasites that negatively affect the fitness of Darwin’s finches, namely mosquitoes and the invasive… Expand

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