The UK's smallest whale, the minke whale, is notoriously inquisitive around boats and is even known to breach clear of the water. Beware though - their fragrant breath has given them the…

The rare wildcat is so similar to a domestic tabby that interbreeding is a serious threat to its survival. Although known as the 'tiger of the Highlands', it is shy and elusive, making…

The vast, green mats that sometimes cover the surface of still water, such as ponds, flooded gravel pits and old canals, are actually Common duckweed. A tiny, single plant, it groups together to…

If you have a garden pond, look out for the Large red damselfly resting at the water's edge. As the name suggests, males are bright red with a black thorax, but females may be almost entirely…

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…

A ferocious and fast predator, the Devil's coach horse beetle hunts invertebrates after dark in gardens and on grasslands. It is well-known for curling up its abdomen like the tail of a…

The gadwall is a dabbling duck, feeding at the surface of shallow water by 'upending' - putting its head down and its bottom up! Only a small number of gadwall nest in the UK, but large…

The small, shaggy-furred Brandt's bat roosts in all sorts of houses, old or modern. It is similar to the whiskered bat and they often roost together, but in separate colonies. It feeds low to…

The Land caddis is the only caddisfly in the UK to spend its entire time on land, with no stage in water. Look in oak leaf litter over winter to see the grainy cases of the larvae, in which they…

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…