Small environments also have an influence over the body size of animals. Surprisingly the change does not always occur in the same direction: see Insular Dwarfi

Small environments also have an influence over the body size of animals. Surprisingly the change does not always occur in the same direction: see Insular Dwarfism and Insular Gigantism. [1] http://webecoist.momtastic.com/2010/08/09/insular-dwarfism-12-species-that-evolved-to-be-small/ http://webecoist.momtastic.com/2010/08/09/insular-dwarfism-1... [2] http://webecoist.momtastic.com/2010/08/02/animal-gigantism-13-real-life-godzillas/ http://webecoist.momtastic.com/2010/08/02/animal-gigantism-1...