This slim fish is usually found on gravelly parts of the seabed, close to shore, but can turn up in rockpools.

Fat hen is a persistent 'weed' of fields and gardens, verges and hedgerows. But, like many of our weed species, it is a good food source for birds and insects.

The streamlined red-breasted merganser is a handsome bird and a great fisher - its long, serrated bill helps it to catch and hold its slippery fish prey. It is most commonly spotted around the…

Our only venomous snake, the shy adder can be spotted basking in the sunshine in woodland glades and on heathlands.

As the name suggests, this shieldbug can often be found on juniper trees. Look out for its distinctive markings.

Despite its dazzling colouration, this fabulous nudibranch can be easily missed, due to its small size!

This well-camouflaged wader is a winter visitor to the UK, where it can be seen feeding on wetlands with a distinctive bobbing motion.

The all-black carrion crow does not nest in colonies like the similar rook. It can be seen almost everywhere.

Common sorrel is a common plant of grasslands, woodland edges, roadside verges and gardens. It is also known as 'sour ducks' because its leaves taste tart.

Common mallow is a handsome 'weed' of waste ground, roadside verges and gardens. Its deep pink, stripey flowers provide nectar for insects throughout the summer.

Hedge mustard is a tall plant with small, yellow flowers atop tough stems. It likes disturbed ground and grows in hedgerows and roadside verges, and on waste ground.