This huge gull can be seen around most of the UK's coasts in summer, with some venturing inland in winter.

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

The grey squirrel was introduced into the UK in the 1800s. It provides an easy encounter with wildlife for many people, but can be damaging to woodlands and has contributed to the decline of the…

One of the prettiest hardy ferns, the lady fern is delicate and lacy, with ladder-like foliage. It makes a good garden fern, providing attractive cover for wildlife.

The Glanville fritillary can be spotted on warm days around coastal habitats on the Isle of Wight and the Channel Islands, as well as at a few locations in mainland England.

Cushions of clover-like, pink Thrift are a familiar sight of cliffs, shingle beaches and sand dunes around the UK. Also known as 'Cliff Clover', it makes a good garden plant.

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…

Easily recognised in its beach habitat, the Yellow horned-poppy is so-named for its long, curving seedpods that look like horns! Look for golden-yellow flowers in June.

Red-necked grebes occasionally attempt to nest in the UK, but they're more often seen as winter visitors to sheltered coasts.

Broom is a large shrub of heaths, open woodlands and coastal habitats. Like gorse, it has bright yellow flowers, but it doesn't have any spines and smells of vanilla.