Skip to content

Alien Species Invading The British Isles

June 15, 2008
clipped from
species in the British Isles

clipped from

Grey Squirrel

Some of Britain’s best loved wildlife, including bluebells, red squirrels and water voles, are threatened by invasive species. The red squirrel has suffered since the introduction in the 19th century of the stronger, more adaptable, grey squirrel

clipped from

red eared terrapins

Red-eared terrapins, originally from the US, are foot-long former pets that can terrorise ducklings

clipped from

the American Signal Crayfish
described as a six inch long killing machine and voracious predator that has already annihilated the native White Claw species, and now threatens to completely overwhelm many fragile aquatic eco-systems
clipped from
British bluebells are threatened because they hybridise with Spanish bluebells

clipped from

American Mink
American mink
blamed for the collapse in water vole numbers
clipped from


Some invaders pose a risk to human health, like this giant hogweed, whose sap causes blistering

clipped from

Azolla fern
Azolla fern
clipped from

Japanese knotweed
clipped from

Water Pennywort
No comments yet

Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )


Connecting to %s

%d bloggers like this: