We console ourselves with the comfortable fallacy that a single museum piece will do, ignoring the clear dictum of history that a species must be saved in many places if it is to be saved at all.
Aldo LeopoldNo matter how intently one studies the hundred little dramas of the woods and meadows, one can never learn all the salient facts about any one of them.
Aldo LeopoldI now suspect that just as a deer herd lives in mortal fear of its wolves, so does a mountain live in mortal fear of its deer. And perhaps with better cause, for while a buck pulled down by wolves can be replaced in two or three years, a range pulled down by too many deer may fail of replacement in as many decades.
Aldo Leopold