Green sea urchin
This small, round sea urchin is (unsurprisingly!) green in colour and can be found on rocky shores around the UK.
Chwilio
Speckled wood butterfly - Vicky Nall
Chwilio
Phosphorescent sea pen
This colonial creature looks like an old-fashioned quill - that's where the name sea pen comes from.
P&A Group choose North Wales Wildlife Trust as Charity of the Year partners for 2026
We are thrilled to have been chosen by the staff of P&A Group as one of their two Charity of the Year partners for 2026.
Black sea bream
The black sea bream really is a fascinating fish. From sex changes to nest building, this fish is full of surprises!
Lightbulb sea squirt
The lightbulb sea squirt is common around much of the UK. Its easy to see where its name came from!
Historic Welsh name ‘Llyn Celanedd’ restored to North Wales Wildlife Trust Nature Reserve
Following a recent public consultation, North Wales Wildlife Trust have decided to use the historic name 'Llyn Celanedd' instead of the more recent ‘Spinnies Aberogwen' for our much…
A winter beach clean
Emma Lowe, our North Wales Wildlife Trust Living Seas intern, takes us on a journey of her first self-led beach clean and the interesting things she found at Porth Nobla, Anglesey
Sea mat
These mat like growths found on kelp and seaweed are actually colonies of tiny individuals animals.
Sea mouse
This strange furry creature often found washed ashore after storms is actually a kind of worm!
Sea slater
These little critters are related to the woodlice you find in your garden and play a very important role on rocky shores.
Spring in the sea
Nia Jones (Marine Manager) describes some of the events in a typical marine spring. At this time of year a number of creatures are breeding, ready to release eggs and larvae in time for the…
(we want your) Memories of wildlife in our sea
Your family's and/or friends' images and recollections of the wildlife they witnessed in our seas from years gone by could be important in helping to conserve it.