Invasive species

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

'Murder hornets' eradicated in the US, officials say

Volunteers find 24 Asian hornet nests in one week

Woody the dog switches detection skills to save puffins

Hunt in Kent for invasive bug which damages trees

Experts remove about 80 Asian hornets from home

Hunt for invasive bug damaging London trees

Workers stung after Asian hornet nest cut in two

Nest of 3,000 Asian Hornets destroyed