"It is my firm belief that what we have learnt since Darwin and Wallace is that islands and the wildlife on them are vulnerable. The smaller the island the more likely an extinction in the future. What we have done in African wildlife management is divide up free ranges and make them into islands of safe zones surrounded by wildlife hostile blocks, be they hunting, ranching, farming or civilization. If any effort at all is to be put into conservation it has to go towards linking these islands again, joining them up and recreating home ranges and natural migration routes. This can't happen without everyone's help."