Guillemots really know how to live life on the edge – quite literally! They nest tightly packed on steep ledges and cliffs around the coast. This may sound like a strange nesting spot, but it…

Introduced from Japan in the 19th century, Japanese knotweed is now an invasive non-native plant of many riverbanks, waste grounds and roadside verges, where it prevents native species from…

An uncommon tree of wet woodlands, riverbanks and heathlands, Alder buckthorn displays pale green flowers in spring, and red berries that turn purple in autumn.

As the only crow with a red bill and red legs, the all-black chough is easy to identify. But it's harder to spot: there are only small, coastal populations in Scotland, Ireland, Wales,…

This large anemone is found on rocky shores around the UK and is so called because its green spots and red body means it looks like a strawberry!

The large, golden flowers of marsh-marigold look like the cups of kings, hence its other name: 'kingcup'. It favours damp spots, like ponds, meadows, marshes, ditches and wet woodlands…

Sometimes called 'Marsh samphire', wild common glasswort is often gathered and eaten. It grows on saltmarshes and beaches, sometimes forming big, green, fleshy carpets.

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…

Also known as the 'green drake mayfly', the common mayfly can be found around unpolluted wetlands, such as lakes and rivers. It has transparent, lacy wings and three long 'tails…