Scientists said the critically-endangered species had previously only been found in rivers and know pearl mussels have been discovered in the Scotland Lochs.

Some species have experienced a much greater decline than average. For the snowflake in Scandinavia there is talk of approx. 35 percent, patchwork 25 percent.

Two horned grebes have settled in Reykjavík Pond in the city centre, RÚV reports. It is the first time the species is found nesting at the location. At the turn of the century, the horned grebe population was placed on a watchlist due to its decline, but it seems to have made a recovery since. […]

Eider populations along the Norwegian coast have declined by up to 80%, with a nationwide decrease of 35-40%, and the reasons remain unknown.

BirdLife Finland reports that Finnish populations of the common pochardhave plummeted by 80 percent in 20 years.