This bog-loving butterfly is mostly found in the north of the UK, where it takes to the wing in summer.

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.

The pied flycatcher is a summer visitor, migrating here from West Africa to breed. Look for this small, black-and-white bird in woodland, parks and gardens, mostly in the west of the UK.

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.

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

The jackdaw is a small, black-capped crow of woodlands, parks, towns and coast. It is a well-known thief, stealing other birds' eggs and breaking into garden feeders.