The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.

References

  • 1. IUCN Red List (May, 2009) http://www.iucnredlist.org/http://www.iucnredlist.org/ External link.
  • 10. UNEP-WCMC (May, 2009) http://www.unep-wcmc.org/protected_areas/data/wh/galapago.htmlhttp://www.unep-wcmc.org/protected_areas/data/wh/galapago.html External link.
  • 2. Grant, P.R. and Grant, B.R. (2007) How and Why Species Multiply: The Radiation of Darwin's Finches. Princeton University Press, Princeton, New Jersey.
  • 2007. website, Gill & Wright (2006) corrigenda/updates - 21-Sep-2007
  • 2007. website, Zoonomen - Zoological Nomenclature Resource, 2007.09.20
  • 3. Wilson, E.O. (1992) The diversity of life. Harvard University Press, Cambridge, Massachusetts.
  • 4. Charles Darwin Foundation (May, 2009) http://www.darwinfoundation.org/en/galapagos/species/birds/native-endemichttp://www.darwinfoundation.org/en/galapagos/species/birds/native-endemic External link.
  • 5. Schluter, D. and Grant, P.R. (1984) Ecological correlates of morphological evolution in a Darwin's finch, Geospiza difficilis. Evolution, 38: 856 - 869.
  • 6. Grant, P.R., Grant, B.R. and Petren, K. (2000) The allopatric phase of speciation: the sharp-beaked ground finch (Geospiza difficilis) on the Galapagos islands. Biological Journal of the Linnean Society, 69: 287 - 317.
  • 7. Schluter, D. and Grant, P.R. (1984) Determinants of morphological patterns in communities of Darwin's finches. American Naturalist, 123: 175 - 196.
  • 8. Hau, M. and Wikelski, M. (2001) Darwin's Finches. In: Encyclopedia of Life Sciences. John Wiley & Sons, Chichester.
  • 9. Birdlife International (May, 2009) http://www.birdlife.orghttp://www.birdlife.org External link.
  • BirdLife International 2012. Geospiza difficilis
  • Gill, Frank, and Minturn Wright. 2006. Birds of the World: Recommended English Names
  • Gill, Frank, and Minturn Wright. 2006. Birds of the World: Recommended English Names. ix + 259
  • Orrell T. (custodian) (2013). ITIS Global: The Integrated Taxonomic Information System (version Sept 12). In: Species 2000 & ITIS Catalogue of Life, 11th March 2013 (Roskov Y., Kunze T., Paglinawan L., Orrell T., Nicolson D., Culham A., Bailly N., Kirk P., Bourgoin T., Baillargeon G., Hernandez F., De Wever A., eds). Digital resource at www.catalogueoflife.org/col/. Species 2000: Reading, UK.

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