Some 20 years ago gray wolves were re-introduced to Yellowstone Park in the United States. Their impact has been a transformation of an ecosystem, in ways that few scientists had imagined. But even as the animals are celebrated as a
Read More →Some 20 years ago gray wolves were re-introduced to Yellowstone Park in the United States. Their impact has been a transformation of an ecosystem, in ways that few scientists had imagined. But even as the animals are celebrated as a “keystone” species