The nodding, blue bells of the harebell are a summer delight of grasslands, sand dunes, hedgerows and cliffs. They are attractive to all kinds of insects, too.

As its name suggests, quaking-grass can be seen quivering or 'quaking' in a breezy, summer wildflower meadow. Its purple-and-green, heart-shaped flower heads hang from delicate stems.…

The garden tiger is an attractive, brown-and-white moth of sand dunes, woodland edges, meadows and hedgerows; it will also visit gardens. In decline, it is suffering from the 'tidying up…

Famously predatory, the long, slender pike will lurk among the vegetation of a river or lake, bursting out with ferocious speed to catch its prey. Look out for it across the UK.

These energetic dolphins are often spotted in large groups which will approach boats, bowriding and leaping alongside. At sea, they can form superpods - huge groups made up of thousands of…

Cross-leaved heath is a type of heather that likes bogs, heathland and moorland. It has distinctive pink, bell-shaped flowers that attract all kinds of nectar-loving insects.

If you happen to be near rocky places such as sea cliffs, shingle coastlines or even gravel paths during the summer months you will most likely come across sea campion.

Bell heather is our most familiar heather. In summer, it carpets our heaths, woods and coasts with purple-pink flowers that attract all kinds of nectar-loving insects.

You are most likely to spot the cat flea if you have pets. It will feed on cats, dogs and people, although it can't live on us. It is a pest and needs to be controlled in the house for the…