The spiny spider crab lives up to its name in every way! Their distinctive spiny shells are often found washed up on beaches.

Mae'r rhywogaeth yma o siarc main a chain i'w gweld yn aml yn agos at y lan o amgylch ein harfordiroedd a gall dyfu i fod hyd at 6 troedfedd o hyd.

The common cockle is a traditional seaside favourite, both for its white shells often found in the sand and for the yummy snack of cockles doused in malt vinegar.

The shells of this small scallop are often found washed up on our shores and comes in lots of different colours, including pink, red, orange and purple.!

A low-growing herb of chalk and limestone grassland, Salad burnet lives up to its name - it is a popular addition to salads and smells of cucumber when crushed!

Tansy is an aromatic plant of rough grassland, riverbanks and verges that has button-like, yellow flower heads. It is the main foodplant of the rare Tansy Beetle, now found at only two places in…

Broom is a large shrub of heaths, open woodlands and coastal habitats. Like gorse, it has bright yellow flowers, but it doesn't have any spines and smells of vanilla.

The song thrush is a familiar garden visitor that has a beautiful and loud song. The broken shells of their blue, spotty eggs can often be found under a hedge in spring.

Their empty, delicate pink or yellow shells can often be found washed up on beaches, but the animals themselves live buried in the sand all around the coasts of the UK.