Although Robert Nozick was one of the first contemporary political philosophers to reflect on the moral status of nonhuman animals (1974: 35) 1 , libertarianism is not often considered to be a source of inspiration for theorizing on the politics of animals. In general, it seems that libertarian theory with regards to nature is relatively underdeveloped (Wissenburg, 2011). What libertarians have to say concerning animals is probably even more limited. Nevertheless, we argue that it is interesting, one, to analyze and systematize what libertarians have written concerning the position of animals, and, two, to extrapolate on the basis of the existing libertarian theory what a libertarian approach to the politics of animals would look ...