This tiny wading bird is most often seen in autumn, feeding on the muddy margins of wetlands.

Mae'r rhywogaeth yma o forwellt yn fath o blanhigyn blodeuol sy'n byw o dan y môr, gan ddarparu cynefin pwysig i lawer o rywogaethau prin a rhyfeddol.

Ydych chi wedi gweld y twmpathau tebyg i bryfed genwair yma erioed ar draethau? Arwyddion o lyngyr y traeth yw’r rhain! Nid yw’r llyngyr eu hunain i’w gweld byth bron, ac eithrio gan bysgotwyr sy’…

This brown seaweed lives high up on rocky shores, just below the high water mark. Its blades are usually twisted, giving it the name Spiral Wrack.

This little fish is found in rockpools during the summer months and has a clever adaptation that stops it being swept away by strong waves - their pelvic fins are fused to form a sucker that it…

A giant of the sea turtle world, leatherback turtles are ocean wanderers searching the seas for jellyfish. Unlike other sea turtles, leatherback turtles don’t mind the cold! This means they can…

Found around our coasts during the breeding season, the large Sandwich tern can be spotted diving into the sea for fish such as sandeels. It nests in colonies on sand and shingle beaches, and…