Expenditure on endangered species management is increasing greatly, on a global basis. Managers need tools to evaluate the performance of endangered species programmes because there will always be more demand for resources ...

There are insufficient resources available globally, nationally and in many regions, to conserve all species, habitats and ecosystems. Prioritisation of targets or actions is a rational response to resource scarcity. ...

We welcome a reply by Innes et al. (2012) to our article (Scofield et al. 2011) questioning the contribution of ‘predator-proof’ fences. We note that Innes et al. do not question the fundamental points of our thesis: (1) ...