Unit 4: Ecosystems // Section 10: Further Reading
Paul A. Colinvaux, Why Big Fierce Animals Are Rare: An Ecologist's Perspective (Princeton, NJ: Princeton University Press, 1979). A survey of major questions in ecology, including why every species has its own niche.
Chris Reiter and Gina C. Gould, "Thirteen Ways of Looking at a Hedgehog," Natural History, July/August 1998. Hedgehogs' spines are unique adaptations, but they have thrived in many regions for millions of years because they are generalists in terms of climate zones and diet.
ReefQuest Centre for Shark Research, "Catch As Catch Can," http://www.elasmo-research.org/education/topics/b_catch.htm. Contrary to their popular image as mindless eating machines, great white sharks' foraging strategies are selective and efficient.