Works Cited Essay I

                                                                                                                                          

                                                                                                                                                
                                                                                                                                  

Works Cited

Dahlheim, Marilyn E., and Paula A. White. "Ecological Aspects of Transient Killer Whales Orcinus Orca as Predators in Southeastern Alaska." Wildlife Biology 16.3 (2010): 308-322. Academic Search Premier. Web. 9 May 2013.

M.Thomas, P. Gilbert, et al. "Out Of the Pacific and Back Again: Insights into the Matrilineal History of Pacific Killer Whale Ecotypes." Plos ONE 6.9 (2011): 1-7. Academic Search Premier. Web. 4 May 2013.

Williams, Rob, and Len Thomas. "Cost-Effective Abundance Estimation of Rare Animals: Testing Performance Of Small-Boat Surveys For Killer Whales In British Columbia." Biological Conservation 142.7 (2009): 1542-1547. Academic Search Premier. Web. 9 May 2013.