Invasive species

A charity says it is "highly likely that something has happened" to the squirrel last seen in March.

A lone hornet has been spotted flying out of a polytunnel in Mordon, County Durham.

The earliest-ever primary Asian hornet nest with active workers in it is found in St Andrew.

Northern Ireland is the least wooded corner of Europe and its native woodland face consistent threat from invasive species.

South West Water says its trying new tactics to reduce numbers of invasive American signal crayfish.

The Isles of Scilly Wildlife Trust says a weasel was seen at the Garrison on St Mary's.

Islanders are urged to check for nests as a record number of Asian hornet queens have been trapped.

More Asian hornet queens are trapped this year in the Channel Islands than in the whole of 2024.