This elegant tern is named for the rosy flush to its summer plumage. With just one regular nesting colony, it is the rarest breeding seabird in the UK.

The whinchat is a summer visitor to UK heathlands, moorlands and open meadows. It looks similar to the stonechat, but is lighter in colour and has a distinctive pale eyestripe.

The white-letter hairstreak gets its name from the white lines that form a 'W' shape on its underside. It is an elusive butterfly, spending much of its time in the treetops.

Water-soldier grows submerged in ponds and open water, and pops up over summer, looking like the top of a pineapple! This rare plant displays white flowers and shelters many aquatic insects.

The common prawn is a familiar sight to anyone who has spent time exploring rockpools - particularly their characteristic quick dart into the darkness just as you spot them!

With their beautiful striped tentacles, it's easy to see where dahlia anemones got their floral name from. Look out for them next time you're rockpooling!

In summer, the 'frothy' flowers of lady's bedstraw can carpet the grasses of meadows, heaths and coasts with yellow and fill the air with a sweet, honey-like scent.

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.

The Welsh poppy is a plant of damp and shady places, roadsides and hillsides. It is also a garden escapee. It flowers over summer, attracting nectar-loving insects.

A summer visitor, the willow warbler can be seen in woodland, parks and gardens across the UK. It arrives here in April and leaves for southern Africa in September.

A recent colonist to South East England, the metallic-green Willow emerald damselfly spends much of its time in the willow and alder trees that overhang ponds, lakes and canals.

A summer visitor, the wheatear is a handsome chat, with black cheeks, white eyestripes, a blue back and a pale orange chest. Look for it on upland heaths and moors.