Mongabay: Climate change is shrinking Scotland’s wild Soay sheep despite the evolutionary advantages of having a large body, report researchers writing in the journal Science. Arpat Ozgul and colleagues tracked changes in body weight and behavior among female members of a population of Soay sheep on Hirta island since 1985 and found that on average, the sheep have been decreasing in size for the last 25 years. To determine the driver of smaller sheep, the researchers then plugged their data …