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…

A plump gamebird, the red-legged partridge is an introduced species that seems to have settled here with little problem. It can be spotted in its favoured open scrub and farmland habitats.

This striking duck was introduced to the UK and is now established as a breeding bird in England.

The lesser-black backed gull can be spotted around the coast in summer, with the biggest colony on Walney Island, Cumbria. Look for it over fields, landfill sites and reservoirs during winter.

The Wild strawberry produces miniature, edible versions of the juicy red fruits we so enjoy. Gathering wild food can be fun, but it's best to do it with an expert - come along to a Wildlife…

Look out for the feathery leaves of Spiked water-milfoil just below the surface of streams, ditches, lakes and ponds; its red flowers emerge from the water in summer. It provides shelter for a…

Bottlenose dolphins in British waters are the biggest of their kind – they need to be able to cope with our chilly waters! They are very sociable and will happily swim alongside boats, providing…

This distinctive bug is often seen basking on low-growing plants in spring and summer.

A small, but feisty scavenger, this carnivorous sea snail does not let anything go to waste!

Look out for the distinctive white beak that gives this energetic dolphin its name. Don’t be surprised to see them breach and bowride too!