Topic: norfolk-broads

Britain's Swallowtail Butterfly Split From Its Cousins Far Earlier Than Thought

• A genomic study has found that the British swallowtail, the country's largest butterfly, diverged from its European relatives far earlier than previously believed, confirming it as a genetically distinct subspecies clinging on in the Norfolk Broads.
• Researchers say the finding strengthens the case for protecting it, and offers cautious hope that it is not yet genetically exhausted.