Inside the world’s longest-running grey seal count on remote UK islands

WorldEnvironment
13 Nov 2025 • 1:17 AM MYT
The Independent
The Independent

The world’s most free-thinking newspaper

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  • Work has begun on the Farne Islands to continue the world's longest-running grey seal population study, which commenced in 1952.
  • The study, conducted off the Northumberland coast, monitors the number of grey seal pups born annually.
  • Modern counting methods now involve drones, replacing the older, more intrusive practice of painting seals, which was also dangerous for rangers.
  • The number of pups born on the islands has significantly increased from approximately 500 in 1952 to 3,624 in 2024, establishing it as one of England's largest grey seal colonies.
  • This annual monitoring is vital for conservation efforts and understanding the species' resilience against environmental challenges such as rising temperatures.

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