This yellow-brown seaweed grows in dense masses on the mid shore of sheltered rocky shores. It is identifiable by the egg-shaped air bladders that give it its name.

The greenshank breeds on the boggy moors and ancient peatlands of Scotland. But it can be spotted elsewhere in the UK as it passes through on migration - look around lakes, marshes and the coast…

The dark green, straight and spiky stems of common club-rush or 'bulrush' are a familiar wetland sight. They are ideal for weaving and were traditionally used to make baskets, seats and…

In May, our hedgerows and woodland edges burst into life as midland hawthorn erupts with masses of pinky-white blossom. During the autumn, red fruits known as 'haws' appear.

The thresher shark is a migratory species and passes through UK waters in the summer months. If you’re lucky, you might see this magnificent shark jump high out of the water in to the air.

The whimbrel is very similar to the curlew, but a little smaller and with a striking face pattern. Its eerie call is a series of seven whistles; listen out for it around the coast as its passes…

Often a lone figure on a windswept mountainside or heath, the rowan tree can stand for up to 200 years. It is well known for its masses of red berries that attract all kinds of birds, including…

The sanderling scampers about the waves looking for marine crustaceans, fish and even jellyfish to eat. It visits the UK in winter from its Arctic breeding grounds, but can also be seen as it…