Escaped or intentionally freed from fur farms in the 1960s, the American mink is now well established in the UK. Its carnivorous nature is a threat to our native water vole and seabird populations…

A ferocious and agile predator, the green tiger beetle hunts spiders, ants and caterpillars on heaths, grasslands and sand dunes. It is one of our fastest insects and a dazzling metallic green…

A common thistle of roadside verges, rough grassland and waste ground, the Musk thistle has large, purple, nodding flower heads that appear in summer. It is attractive to a wide range of insects…

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.

Bloody crane's-bill has striking magenta flowers that pepper our rare limestone pavements, grasslands and sand dunes with summer colour. It is a favourite of all kinds of insects, including…

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…

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 large eyed ladybird is unmistakeable: it is our only ladybird with yellow rings around its black spots. Ladybirds are beneficial insects, managing garden pests - encourage them by putting up a…

The pink, frayed flowers of Ragged-robin are an increasingly rare sight as our wild wetland habitats disappear. You can help: grow native plants in your garden and enjoy the hum of visiting…

Look for wood avens along hedgerows and in woodlands. Its yellow flowers appear in spring and provide nectar for insects; later, they turn to red, hooked seedheads that can easily stick to a…