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.

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!

Look for the wood warbler singing from the canopy of oak woodlands in the north and west of the UK. Green above, it has a distinctive, bright yellow throat and eyestripe.

This small, white heron is an increasingly common sight in parts of the UK as it spreads north from continental Europe.

This beautiful butterfly is one of our rarest, now mostly restricted to the western parts of the UK.

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 classic fairy tale toadstool, this red and white fungus is often found beneath birch trees in autumn.

Ever noticed lots of little white spirals on seaweed fronds on rocky shores? These are tiny tube worms!

The mountain hare lives in the Scottish Highlands and the north of England. They are renowned for turning white in winter to match their upland surroundings.