Snowy owls nest in the open Arctic tundra, where food availability can fluctuate dramatically from year to year. During ...

Add Yahoo as a preferred source to see more of our stories on Google. Snowy owls that once glided across wide open spaces of the Arctic tundra are seeing their homes shrink under thickening shrubs, ...

The paper is titled "Genome analyses suggest recent speciation and post‐glacial isolation in the Norwegian lemming. "The Norwegian lemming is a key ecological species in the Fennoscandian tundra.