Common seal
The smaller of our two UK seal species, common seals are also known as harbour seals. Despite being called "Common", they are actually less common than grey seals!
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Chwilio
Four-spotted chaser
The four-spotted chaser is easily recognised by the two dark spots on the leading edge of each wing - giving this species its name. It can be seen on heathlands and near ponds and lakes.
My insurance
When he’s not studying at Cumbria University, Ian enjoys volunteering at Thacka Beck. As well as being great for wildlife, this wetland nature reserve helps protects Penrith from flooding when the…
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…
Red squirrels
There are two species of squirrel in the UK; red squirrels and grey squirrels. Red squirrels are our native species and have lived in the UK for around 10,000 years, Grey squirrels were introduced to the UK from North America by the Victorians in the 1800s, the first record of them escaping and establishing a wild population is 1876.
Our projects
As well as working towards overall Living Landscapes and Living Seas, we lead on a variety of partnership projects across south and west Wales. From species reintroductions, tackling invasive non-native species, community nature restoration and more.
Gwasanaeth Natur Cenedlaethol
Diolch i gyllid gan Lywodraeth Cymru, byddwn yn cyfrannu at ddatblygiad cynllun y Gwasanaeth Natur Cenedlaethol. Nod yr NNS yw adfer byd natur drwy greu swyddi newydd sy’n seiliedig ar fyd natur a chyfleoedd bywoliaeth ac ymgorffori sgiliau gwyrdd ar draws gweithlu’r dyfodol.
Welsh Wildlife Centre & Teifi Marshes
Discover the wonders of nature at The Welsh Wildlife Centre and Teifi Marshes Nature Reserve. Your perfect day out in Pembrokeshire.
Grazing success at Rhydyglyn
Find out how conservation cattle are helping to boost biodiversity at Rhydyglyn Nature Reserve.
Common water-measurer
Found in ponds and marshes, the fragile look of the common water-measurer belies its fierce nature. A predator of small insects, it uses the vibrations of the water's surface to locate its…
Sentinels of the Sea - Marine
WTSWW’s marine monitoring work gathers evidence for critical datasets, used to strengthen the resilience of Wales’ network of protected marine sites and the protection of the marine species found within these sites. Long-term, uninterrupted datasets are particularly important to assess broad population trends, filling knowledge gaps, and informing decisions about use of the marine environment.
Sand eel
Sand eels are a hugely important part of our marine ecosystem. In fact, the fledgling success of our breeding seabirds entirely depends on them.