Habitat selection and ecological speciation in Galápagos warbler finches (Certhidea olivacea and Certhidea fusca).

@article{Tonnis2005HabitatSA,
  title={Habitat selection and ecological speciation in Gal{\'a}pagos warbler finches (Certhidea olivacea and Certhidea fusca).},
  author={Brandon Tonnis and Peter R Grant and Barbara Rosemary Grant and Kenneth Petren},
  journal={Proceedings. Biological sciences},
  year={2005},
  volume={272 1565},
  pages={819-26}
}
We investigated phylogeographic divergence among populations of Galápagos warble finches. Their broad distribution, lack of phenotypic differentiation and low levels of genetic divergence make warbler finches an appropriate model to study speciation in allopatry. A positive relationship between genetic and geographical distance is expected for island taxa. Warbler finches actually showed a negative isolation by distance relationship, causing us to reject the hypothesis of distance-limited… CONTINUE READING
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