Chwilio
Brown rat
The brown rat has a bad reputation, but it mostly lives side-by-side with us without any problems. It can be seen in any habitat.
Brown argus
The Brown argus favours open, chalk and limestone grasslands, but can also be spotted on coastal dunes, in woodland clearings and along disused railways.
Brown trout
A fierce predator of small fish and flying insects, the brown trout is widespread in our freshwater rivers. It is has a golden body, flanked with pale-ringed, dark spots.
Brown centipede
A regular in gardens, hunting around compost heaps and under stones, the brown centipede is a common minibeast. Despite its name, it has 15 pairs of legs - one on each segment of its body.
How can gardeners stop the spread of invasive species?
Did you miss our TV feature on 'Garddio a Mwy' earlier this month? Don't worry! Find the clip and more information on how gardeners can help stop the spread of invasive species…
Wall brown
The wall brown or 'wall' gets its name from the fact it rests on any bare surface or wall! It can be found in open, sunny places like sand dunes, old quarries, grasslands and railway…
New Year's resolution: let's tackle invasive species together!
Here we suggest two easy New Year’s resolutions to help tackle invasive species and protect biodiversity in Wales.
Invasive Species Week: 16th-22nd May 2022
It's Invasive Species Week soon! Check out how you can get involved and help stop the spread of invasive species.
Invasive Species Week: 20th -26th May 2024
It's Invasive Species Week soon! Check out how you can get involved and help stop the spread of invasive species.
Greater horseshoe bat
The greater horseshoe bat was once a cave-dweller, but now tends to roost in old buildings, such as churches and barns. It is rare in the UK and, like many other bats, declining in number.
Lesser horseshoe bat
The lesser horseshoe bat was once a cave-dweller, but now tends to roost in old buildings, such as stables and barns. It is rare in the UK and, like many other bats, declining in number.