The large, fluffy caterpillars of this moth are often seen in summer and early spring.

Listen out for the 'chattering' song of the reed warbler, while wandering the UK's lowland wetlands in summer. A small, brown bird, they are quite hard to see.

This distinctive bug is often seen basking on low-growing plants in spring and summer.

Bilberries appear in summer and early autumn and are often turned into jams, pies and sauces...

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…

Forming mats of straight, bright green stems, Common spike-rush does, indeed, look like lots of tightly clustered 'spikes' near the water's edge of our wetland habitats.

Great reedmace is familiar to many of us as the archetypal 'bulrush'. Look for its tall stems, sausage-like, brown flower heads and green, flat leaves at the water's edge in our…

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 streaky brown bird is a summer visitor to Britain, favouring open woodlands in the north and west.