How remote Scottish islands turned one of Britain's smallest birds into a giant and possibly a new species

One of Britain's smallest and most familiar birds is quietly undergoing something remarkable on a handful of remote Scottish islands. New research from the University of Birmingham has found that wren ...

Real-time evolution alert: Tiny Scottish wrens are doubling in size; possibly on their way to becoming a new species

Tiny British wrens on remote Scottish islands are undergoing a remarkable evolutionary transformation. Scientists have ...