15-05-04 The decline of the world's large herbivores, especially in Africa and parts of Asia, is raising the specter of an empty landscape in some of the most diverse ecosystems on the planet, according to a newly published study. Many populations of animals...

12-04-11 A survey on the loss in the Northern Hemisphere of large predators, particularly wolves, concludes that current populations of moose（驼鹿） , deer, and other large herbivores far exceed their historic levels and are contributing to disrupted ecosys...