Photos used under Creative Commons from dionhinchcliffe, paulasenciogonzalez, paulasenciogonzalez, amy32080, petersbar, Aaron Stokes, amboo who?, Damian Gadal, U.S. Fish and Wildlife Service - Midwest Region, SharonaGott, Udo Schröter, paulasenciogonzalez, Joybot, zeevveez, ianmunroe, freeqstyler, quinn.anya, Ivy Nichols, Groman123, UnknownNet Photography, torbakhopper, “Caveman Chuck” Coker, CarbonNYC [in SF!], dgoomany, Lion Multimedia Production U.S.A., oldandsolo, dbeck03