The fearsome common backswimmer hunts insects, tadpoles and fish. It uses its oar-like legs to swim upside-down under the water's surface where unsuspecting prey can be found.

The common carp is a very large fish that is popular with anglers due to its size and fighting spirit. It frequents ponds, gravel pits and lakes, but is not native to the UK, being introduced in…

The common scoter has suffered large declines in the UK, threatening its survival here. Look out for this duck feeding at sea in winter when its numbers are bolstered by migrating birds.

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…

During the breeding season, the common tern can be seen around our coasts and also inland at gravel pits, reservoirs and lakes. It nests in noisy colonies and can be spotted plunge-diving for fish…

The vast, green mats that sometimes cover the surface of still water, such as ponds, flooded gravel pits and old canals, are actually Common duckweed. A tiny, single plant, it groups together to…

Windy, open moors covered in bright yellow, spiky common gorse bushes and purple heathers are synonymous with what we call 'wild' landscapes, but it can be seen in many habitats, from…

Common couch is a tall, tuft-forming grass of roadside verges, waste ground and arable land. It is very tough and can shade out more delicate plants. Look for flat, blade-like leaves and thin…

The common dandelion is a most familiar flower: counting down the 'clock', while blowing the fluffy seeds from its head, is a favourite childhood game. Dandelions are an important early…

He loves me, he loves me not' is a familiar rhyme associated with what is probably our most well-known plant: the common daisy. Its white-and-yellow flower heads brighten up lawns, verges and…

Despite popular belief, and its name (from the Old English for 'ear beetle'), the Common earwig will not crawl into your ear while you sleep - it much prefers a nice log or stone pile!…