A small and delicate plant of chalk grasslands, Fairy flax can be seen in bloom from May to September - look out for its nodding, white flowers.

Considered to be one of the prettiest gentians, the Chiltern gentian is a rare plant in the UK. It likes chalk grasslands, its purple, trumpet-shaped flowers blooming from August.

The European larch was introduced into the UK from Central Europe in the 17th century. Unusually for a conifer, it is deciduous and displays small, greeny-red cones on brittle twigs.

With black-and-yellow markings, the hornet mimic hoverfly looks like its namesake, but is harmless to us. This mimicry helps to protect it from predators while it searches for nectar.

The pearl-bordered fritillary is a striking orange-and-black butterfly of sunny woodland rides and clearings. It gets its name from the row of 'pearls' on the underside of its hindwings…

The white-clawed crayfish is a freshwater, bronze-coloured crustacean with pale undersides to its claws - hence the name. It is under threat from an invasive and introduced species of crayfish.…

The song of the skylark has been the subject of many great musical and literary works. A quintessential feature of our farmland and grasslands habitats, it is declining rapidly with habitat loss…

In May, our hedgerows burst into life as common hawthorn erupts with creamy-white blossom, colouring the landscape and giving this thorny shrub its other name of 'May-tree'.

This large round urchin is sometimes found in rockpools, recognisable by its pink spiky shell (known as a test).