Red valerian was introduced in the 1600s from Europe, but is now naturalised in the UK. Its pinky-red flowers grow from old walls, roadside verges, railway cuttings and cliffs, and provide nectar…

Musk mallow has pretty pink flowers that can be seen along roadside verges, hedgerows and field margins in summer. It lives up to its name, producing a delicate, musky smell that increases indoors…

The shrill carder bee can be spotted flying quickly around flowers in unimproved pastures. The queens produce a loud, high-pitched buzz, hence the name. It is declining rapidly and is restricted…

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.

A streaky brown bird, the reed bunting can be found in wetlands, reedbeds and on farmland across the UK. Males sport black heads and a white 'moustache'.

The fine, downcurved bill of the treecreeper makes this tit-sized bird unmistakeable. Look out for it in woodlands and parks, literally 'creeping' around tree trunks.

This small, stripy beetle is one of the most commonly encountered weevils.

Crosswort gets its name from the position of its leaves - they surround the stem in groups of four, making a cross shape. The tiny, yellow flowers sit atop these crosses and bloom from April to…