A puffin population has been declared “stable” following fears that bird flu might have had a more devastating effect.
The first full count for five years on the Farne Islands off Northumberland has revealed the endangered species has in fact increased by 15% since 2019.
There are now thought to be 50,000 breeding pairs on the site, which is cared for by the National Trust.
Ranger Sophia Jackson said the birds’ self-isolating behaviours meant they had “weathered this particular storm”.
Ms Jackson said: “Puffins nest in separate burrows and clean them out.
“In that way, the disease is less likely to spread as fast as it does through the other seabirds, which is why we saw a decline in them.”
The National Trust said another interesting finding was that fewer pairs have been recorded on the outer islands.
It is thought puffins may have relocated, after stormy weather forced grey seals to move higher up into their territory, causing some burrows to collapse.
All the results will form part of the national Seabird Monitoring Programme and follow six weeks of hard work by the rangers, who were on their hands and knees checking burrows for signs of fresh digging or hatched eggshells.
Earlier this week, five more species of seabird were added to the UK red list of birds at most need of conservation. Puffins were one of five types of bird already on the list.
During the avian flu outbreak in 2022 and 2023, about 10,000 birds on the Farne Islands perished.
More than 900 puffin carcasses were collected but a combination of the Covid pandemic and
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