What is a Nudibranch?
Nudibranchs, also known as sea slugs, are much like their land-based relatives that you may spot in your garden. But, unlike your regular garden slug, the nudibranch can incorporate the stinging…
Chwilio
Speckled wood butterfly - Vicky Nall
Chwilio
The Wildlife Trusts’ 2025 marine review
A year of disasters, discoveries and determination around UK shores, with a celebration of all that we’ve achieved here in North Wales
Great spider crab
Despite its name, the great spider crab is actually smaller than the more common European spider crab.
What's in a name?
Back in February (yes, we know it’s September now, but good things take time), the Corsydd Calon Môn team hosted two brilliant community events in collaboration with Dr James January-McCann and…
Great diving beetle
The Great diving beetle is a large and voracious predator of ponds and slow-moving waterways. Blackish-green in colour, it can be spotted coming to the surface to replenish the air supply it…
What we do
We care for wildlife. We work for nature’s recovery. We bring people closer to nature in North Wales.
The Sea and Me!
Have you got a great story about our seas and their wonderful wildlife?
King diving beetle
Britain's largest 'diving beetle' is an impressive creature, though it's not easy to find.
Anglesey Fens, Making a Splash in 2019!
2019 sees the launch of the Anglesey Fens Living Landscape Project which will aim to protect and enhance the wildlife-rich countryside on the east side of Anglesey.
Tawny mining bee
The Tawny mining bee is a furry, gingery bee that can often be seen in parks and gardens during the springtime. Look for a volcano-like mound of earth in the lawn that marks the entrance to its…
Biogenic reefs
Hard structures created by living creatures, biogenic reefs provide a home for a variety of marine life.
Biting stonecrop
Also known as 'Goldmoss' due to its dense, low-growing nature and yellow flowers, Biting stonecrop can be seen on well-drained ground like sand dunes, shingle, grasslands, walls and…