Røst municipality in Nordland, Norway, is thought to be home to the highest number of seabirds in Europe, but a combination of overfishing of herring and rising sea temperatures has had a serious effect on the area's puffin colony, with numbers now at ‘a record low’.

A wild puffin in Norway.
A wild puffin in Norway.

The warmer waters have increased the number of mackerel in the area, which eat herring – puffins' staple diet – and, according to researchers, the colony has not bred successfully since 2006. Read more: theforeigner.no

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