Ever spotted a honeycomb-like mound on the beach and wondered what it was? It's a reef built entirely by worms!

The common lime is a tall, broadleaf tree that is a natural hybrid between the large-leaved and small-leaved limes. It can be seen in a variety of habitats, and has been widely planted along roads…

A tall, broad tree of woodlands, roadsides and parks, the introduced horse chestnut is familiar to many of us the 'conker' producing tree - its shiny, brown seeds appearing in their…

Living up to its name, the long-tailed tit can be easily recognised by its long tail. It is a small, pretty, pink, black and white bird that can be seen in woodlands, gardens and parks.

The stock dove looks very much like the woodpigeon, but without the white neck and wing patches. It can be spotted in woodlands and parks, and on farmland in winter, but rarely visits our gardens…

This beautiful beetle is fond of damp meadows and woodland rides, where it's often found on umbellifers or thistles.

One of 2 seahorses found in UK seas, long snouted seahorses are recognisable by their longer snout and fleshy "mane".

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

Sea lettuce is unmistakeable - most often a bright green and always translucent, it is found on all UK coasts.

One of 2 seahorses found in UK seas, short snouted seahorses are recognisable by their shorter snout - surprisingly enough!

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