The brisk increase in warming rates in the Arctic is bringing rapid shifts in range for plants and animals across the region’s tree of life. Researchers say those changes can lead species that normally wouldn’t encounter each other to interbreed, creating new hybrid populations.   Now, scientists have presented the first evidence of large-scale hybridization that … Continue reading The Plucky Puffin, Endangered Yet Coping: Scientists Link Emergence of a Hybrid Subspecies to Climate Change