Joanne Clavel, Romain Julliard, and Vincent Devictor (2011) Worldwide decline of specialist species: toward a global functional homogenization? Read More: http://www.esajournals.org/doi/abs/10.1890/080216Frontiers in Ecology and the Environment 9(4): 222228. http://www.esajournals.org/doi/abs/10.1890/080216