Tern Colonies in England Show Remarkable Recovery After Decline 2026

England's most important tern colonies are showing signs of recovery after years of decline caused by bird flu, flooding, and unpredictable weather, according to new figures from the National Trust. The trust reported record numbers of little terns at Long Nanny in Northumberland, one of the UK's most important breeding sites for the country's second-rarest breeding seabird.

Record Numbers of Little Terns at Long Nanny

The National Trust described a "remarkable turnaround" for little terns at Long Nanny, with at least 126 pairs nesting – doubling the previous site record. At least 82 chicks are known to have fledged, with the final total potentially exceeding 100 birds.

This is particularly encouraging given that little terns are among the UK's most vulnerable seabirds, facing threats from habitat loss, predation, and extreme weather events.

Arctic and Sandwich Terns Also Show Recovery

Numbers are also slightly up for Arctic terns, the long-distance migrants that breed in Northumberland before making an incredible journey south to Antarctica each year. In Norfolk, more than 1,100 pairs of Sandwich terns returned to breed at Blakeney Point after a two-year absence.

Ben McCarthy, the trust's head of nature conservation, stressed there was no room for complacency but said the figures showed "what can be achieved when internationally important breeding sites are carefully protected and managed."

Challenges Facing Seabirds

Seabirds in the UK have faced a perfect storm of challenges in recent years. Avian flu has devastated colonies, while extreme weather and flooding have destroyed nesting sites. Wider pressures on the marine environment, including overfishing and climate change, continue to threaten food supplies.

"These results are particularly encouraging given the challenges seabirds have faced in recent years – from avian flu and extreme weather to wider pressures on the marine environment," McCarthy added.

Comparison of Tern Species Recovery

Key Takeaways

• Little tern numbers at Long Nanny have doubled, reaching a record 126 nesting pairs.
• Sandwich terns have returned to Blakeney Point in large numbers after a two-year absence.
• Arctic tern numbers are slightly up, offering hope for this long-distance migrant.
• Conservation efforts and careful management are proving effective, but challenges remain.

What This Means for Conservation

The recovery of these tern colonies demonstrates that targeted conservation efforts can yield positive results. Protected areas, predator control, and habitat management are crucial for giving seabirds a fighting chance against disease and climate change.

However, experts warn that one good year does not guarantee long-term recovery. Continued monitoring and adaptive management will be essential to ensure these populations remain stable.

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