Caddisflies are a large order of insects that can be found in all kinds of wetlands. The larvae are known for making cases to pupate in, gathering stones, sand and leaves, and wrapping them with…

The common osier is a small willow tree that is found in fens and ditches, and on riverbanks. It has been widely cultivated and coppiced for its twigs, which are used in traditional basket-making…

The crab apple is familiar as a small tree that produces yellow-green, rounded fruit that is used for making jellies and wines. It can be found in woods and hedges, as well as in cultivated…

Traditionally a coastal species, Lesser sea-spurrey has spread inland, taking advantage of the winter-salting of our roads. Its pink-and-white flowers bloom in summer.

The Natterer's bat can found across the UK, although it is a scarce species. It prefers to forage low down among trees, often taking prey directly from the foliage.

The downlooker snipefly gets its name from its habit of sitting on posts or sunny trees with its head facing down to the ground, waiting for passing prey. It prefers grassland, scrub and woodland…

This comical little duck lives up to its name – look out for the black tuft of feathers on its head!

Cotoneaster was introduced to the UK in 1879 from Eastern Asia as an ornamental plant. It is now an invasive non-native species which is taking over valuable habitats including limestone…

Spiny lobster, crawfish, crayfish, rock lobsters - many names, one animal! This pretty lobster was made extinct in many areas through overfishing, but is now making a slow comeback.

The sweet chestnut is famous for its shiny brown fruits, or 'chestnuts', that are wrapped in a spiky, green casing and make a tasty winter treat. Look for this tree in woodlands in south…

A common dragonfly of ponds, lakes and canals near woodland, the southern hawker can be seen patrolling the water or 'hawking' through woodland rides. A fast-flying species, it will…