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

References

  • 1. Galef Jr., Bennett G. “Tradition in Animals: Field Observations and Laboratory Analyses.” Interpretation and Explanation in the Study of Animal Behavior. Volume 1: Interpretation, Intentionality, and Communication. Eds. Marc Bekoff and Dale Jamieson. 2 vols. Boulder: Westview Press, 1990.
  • 1. Galef Jr., Bennett G. “Tradition in Animals: Field Observations and Laboratory Analyses.” Interpretation and Explanation in the Study of Animal Behavior. Volume 1: Interpretation, Intentionality, and Communication. Eds. Marc Bekoff and Dale Jamieson. 2 vols. Boulder: Westview Press, 1990.
  • 10. “Sharp-Beaked Ground Finch (Geospiza difficilis): Sharp-Beaked Ground-Finches Competing for Nazca Booby Host.” ARKive. Wildscreen. 2011. 13 Jul. 2011.
  • 10. “Sharp-Beaked Ground Finch (Geospiza difficilis): Sharp-Beaked Ground-Finches Competing for Nazca Booby Host.” ARKive. Wildscreen. 2011. 13 Jul. 2011.
  • 2. “GEOL 388: Field Natural History of the Galápagos Islands.” University of Maryland Department of Geology. June 13, 2008. 12 Jul. 2011.
  • 2. “GEOL 388: Field Natural History of the Galápagos Islands.” University of Maryland Department of Geology. June 13, 2008. 12 Jul. 2011.
  • 2007. website, Zoonomen - Zoological Nomenclature Resource, 2007.09.20
  • 3. Grant, Peter R. and B. Rosemary Grant. How and Why Species Multiply: The Radiation of Darwin’s Finches. Princeton: Princeton University Press, 2008.
  • 3. Grant, Peter R. and B. Rosemary Grant. How and Why Species Multiply: The Radiation of Darwin’s Finches. Princeton: Princeton University Press, 2008.
  • 4. Grant, Peter R., B. Rosemary Grant, and Kenneth Petren. “The Allopatric Phase of Speciation: The Sharp-Beaked Ground Finch (Geospiza difficilis) on the Galápagos Islands.” Biological Journal of the Linnean Society 69.3 (2000): 287-317.
  • 4. Grant, Peter R., B. Rosemary Grant, and Kenneth Petren. “The Allopatric Phase of Speciation: The Sharp-Beaked Ground Finch (Geospiza difficilis) on the Galápagos Islands.” Biological Journal of the Linnean Society 69.3 (2000): 287-317.
  • 5. Grant, Peter R. Ecology and Evolution of Darwin’s Finches. Princeton: Princeton University Press, 1999.
  • 5. Grant, Peter R. Ecology and Evolution of Darwin’s Finches. Princeton: Princeton University Press, 1999.
  • 6. Lack, David Lambert. Darwin’s Finches. Cambridge: Cambridge University Press, 1983.
  • 6. Lack, David Lambert. Darwin’s Finches. Cambridge: Cambridge University Press, 1983.
  • 7. Naish, Darren. “Vampire Finches and the Path to Parasitism.” Tetrapod Zoology. 2007. 2 Sept. 2011. http://scienceblogs.com/tetrapodzoology/2007/02/vampire_finches_and_the_path_t.php
  • 7. Naish, Darren. “Vampire Finches and the Path to Parasitism.” Tetrapod Zoology. 2007. 2 Sept. 2011. http://scienceblogs.com/tetrapodzoology/2007/02/vampire_finches_and_the_path_t.php
  • 8. “Nature’s Born Phlebotomists (Slide 4 of 7).” New York Times. 2011. 2 Sept. 2011. http://www.nytimes.com/slideshow/2008/10/20/science/102108-Blood_4.html
  • 8. “Nature’s Born Phlebotomists (Slide 4 of 7).” New York Times. 2011. 2 Sept. 2011. http://www.nytimes.com/slideshow/2008/10/20/science/102108-Blood_4.html
  • 9. “Sharp-Beaked Ground Finch (Geospiza difficilis).” ARKive. Wildscreen. 2011. 12 Jul. 2011.
  • 9. “Sharp-Beaked Ground Finch (Geospiza difficilis).” ARKive. Wildscreen. 2011. 12 Jul. 2011.
  • Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2014. The eBird/Clements checklist of birds of the world: Version 6.9. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  • 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.
  • http://www.arkive.org/sharp-beaked-ground-finch/geospiza-difficilis/#text=All
  • http://www.arkive.org/sharp-beaked-ground-finch/geospiza-difficilis/#text=All
  • http://www.arkive.org/sharp-beaked-ground-finch/geospiza-difficilis/video-08d.html#text=All#te
  • http://www.arkive.org/sharp-beaked-ground-finch/geospiza-difficilis/video-08d.html#text=All#text
  • http://www.geol.umd.edu/~jmerck/GEOL388/lectures/05.html
  • http://www.geol.umd.edu/~jmerck/GEOL388/lectures/05.html

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