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.…

Fennel has feathery leaves and open, umbels of yellow flowers. It was probably introduced by the Romans for culinary use, and is now a naturalised species of verges, waste ground and sand dunes.…

Ivy-leaved toadflax is an introduced species in the UK that has become widely naturalised. Look for creeping along old walls and pavements, and shingle beaches. Its flowers resemble those of…

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.

An introduced plant, vervain is widely naturalised in the UK. It is a great source of nectar for all kinds of insects and can be seen on rough grassland, waste ground, coastal cliffs and roadside…

The Bird's-nest orchid gets its name from its nest-like tangle of roots. Unlike other green plants, it doesn’t get its energy from sunlight. Instead, it grows as a parasite on tree roots, so…

The chestnut-brown bank vole is our smallest vole and can be found in hedgerows, woodlands, parks and gardens. It is ideal prey for owls, weasels and kestrels.

A king among birds, the goldcrest displays a beautiful golden crown. Our smallest bird, it can be spotted in conifer woodlands and parks across the UK.

The jackdaw is a small, black-capped crow of woodlands, parks, towns and coast. It is a well-known thief, stealing other birds' eggs and breaking into garden feeders.

A summer visitor, the willow warbler can be seen in woodland, parks and gardens across the UK. It arrives here in April and leaves for southern Africa in September.

This dazzling dragonfly can be seen darting above tree-lined ponds in certain parts of Britain.