Mackerel are a sign of summer's arrival, when they appear inshore in huge numbers all around the UK. As well as being a sustainable seafood choice, they are an important food source for many…

This is a predominantly subtidal species but can be found on the lowest parts of a sheltered rocky shore in summer.

This metallic green beetle can be seen visiting flowers on sunny days in spring and summer.

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…

This brightly-coloured beetle is often found feeding on flowers on warm days in late spring and summer.

A common moth across most of the UK. The large, hairy caterpillars are often seen in late summer.

Look out for this large, leafy lichen on trees in ancient woodlands in the west of the UK.

The blackbird of the mountains, ring ouzels can be found breeding on upland moors and rocky crags in summer.

The thick topshell is a common sight on rocky shores in Wales and South West England.

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…

This long-lived bivalve can be found buried in the sand on the south and west coasts of the UK.