Invasive species

'Game-changing' Asian hornet tracker leads to nest

Fundraiser for Asian hornet tracker reaches goal

The Food Programme. The Crayfish Question. Audio, 42 minutesThe Food Programme

Biosecurity alert after Asian hornet captured in Cork

Invasive leathery sea squirt found in oyster pot

'Balsam bashers' clear river's invasive species

Beekeepers urge reports of Asian hornet sightings

'Report Asian hornet nests, don't destroy them'

Record number of Asian hornets trapped in Alderney

'Elvis' the grey squirrel thought captured or dead

Asian hornet sighting sparks fears of nest

Record-breaking Asian hornet nest found in pump

How to save native woodlands from invasive shrubs - one tree at a time

Invasive crayfish will 'never' be eradicated

'Be vigilant' warning as weasel spotted on island

Warning after hundreds of Asian hornets trapped

Asian hornet numbers rise after 'perfect winter'

Stoat cull credited with rise in Orkney curlew numbers

No new sightings in hunt for invasive squirrel

Invasive squirrel will 'have to stay in enclosure'

Big cat sightings could be leopards, claims expert

Asian hornet nests dissected to monitor species

1,329 tiny snails released on remote island