Invasive species

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

Guernsey boosts hornet nest destruction capability

Appeal over identifying invasive hornets

Two Asian hornet nests removed in one night

The Killer Hornets. Video, 15 minutesThe Killer Hornets

Funding fears over removal of invasive canal plant