Perhaps the first sign that spring is just around the corner is the snowdrop poking its way through the frosted soil of a woodland, churchyard or garden. From January, look for its famous nodding…

The yellow meadow ant is known for creating anthills in grassland habitats. It has a close relationship with the chalkhill blue butterfly - protecting the larvae in return for a sugary substance…

This large round urchin is sometimes found in rockpools, recognisable by its pink spiky shell (known as a test).

Common mouse-ear is a persistent 'weed' of fields and gardens, verges and hedgerows - all kinds of habitats. But, like many of our weed species, it is still a good food source for…

Pe baech chi’n codi carreg yn yr ardd, gobeithio y byddech chi’n dod o hyd i lawer o wrachod y lludw. Mae gan y trychfilod gwydn yma arfogaeth fewnol ac maen nhw’n hoffi cuddio mewn llecynnau…

One of the prettiest hardy ferns, the lady fern is delicate and lacy, with ladder-like foliage. It makes a good garden fern, providing attractive cover for wildlife.

A diminutive but aggressive predator, the three-spined stickleback hunts tadpoles and small fish. It is also known for fiercely protecting its nest of eggs until they hatch. Look for it in ponds,…

If you spot a crawling shell next time you're at the seaside, take a closer look… it might be a hermit crab!

This worm builds its own home out of bits of shell and sand. It can be spotted on the shore all around the UK.

This bumpy shell lives up to its name and lives partly buried in the seabed along the west coast of Great Britain.