But his rendering of Audubon's encounter with billions of now-extinct passenger pigeons flying wingtip-to-wingtip across the Kentucky sky for three whole days is magical.

ECONOMIST: John James Audubon

Those that did not have limits placed upon access would not be around for Ostrom to study: like dodos, passenger pigeons and damn nearly the whales and buffalo.

FORBES: Royal Society's Terrible Report on Population and Consumption