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...energy and interrupts foraging, which is crucial for any animal, but particularly for small-bodied species with high energetic demands such as the prairie dog. So the cost of reacting to perceived danger must be balanced against the risk of staying put. Being too reactive could, over time, affect the fitness of an individual prairie dog, and potentially impact upon their...

...energy supplies. “Violence and disruption stemming from the stresses created by abrupt changes in the climate pose a different type of threat to national security than we are accustomed to today,” the report said. Controversial role Lord Ashdown foresees a direct and controversial role for military forces in the near future − not simply in fighting these wars, but...