An introduced species, Common evening-primrose is now naturalised on waste ground, roadside verges and railway cuttings. It has long been used to produce the herbal remedy, evening-primrose oil.…

Tall melilot was introduced into the UK as a fodder crop, but has now become naturalised. It displays golden, pea-like flowers on tall spikes, which are followed by black, hairy seed pods.

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 graceful great crested grebe is a familiar sight on our lakes and reservoirs, and is well-known for its elaborate courtship dance, during which it rises vertically out of the water and shakes…

Britain's largest 'diving beetle' is an impressive creature, though it's not easy to find.

The herring gull is the typical 'seagull' of our seaside resorts, though our coastal populations have declined in recent decades.

A sprawling, spiny evergreen, Common juniper is famous for its traditional role in gin-making. Once common on downland, moorland and coastal heathland, it is now much rarer due to habitat loss.…

The hooded crow was thought to be the same species as the carrion crow, but they have now been separated. Less widespread than its cousin, look for it in North Scotland, Northern Ireland and the…