I found this article in Conservation magazine to be interesting and relevant in our ever more fragmented world.
And I agree, this is the quote of the week:
“We have, in effect, become pastoralists of the wild and arborists of the forests. Speciation in the bigger vertebrates is over—our largest protected areas are just too small to foster new species of elephants, rhinoceroses, apes, bears, and cats. So we throw a few new alleles into the genetic monotony of these isolated populations…”