“The beaver is one of several missing animals that have been described as keystone species. A keystone species is one that has a larger impact on its environment than its numbers alone would suggest. This impact creates the conditions which allow other species to live there.”

“The beaver is one of several missing animals that have been described as keystone species. A keystone species is one that has a larger impact on its environment than its numbers alone would suggest. This impact creates the conditions which allow other species to live there.”

— George Monbiot