Living up to its name, the bullhead has a characteristically large, flattened head and a tapering body. Look out for it in fast-flowing, stony rivers and streams.

The Common walnut tree produces a large, brown nut that is familiar to so many of us. It is an introduced species in the UK, and can be seen in towns, gardens and parks.

Also known as the brown crab, this large crab is found around all UK shores and is identifiable by the distinctive pie-crust edge to its brown shell.

Often spotted in large flocks, the fieldfare is an attractive thrush. It is a winter visitor, enjoying the feast of seasonal berries the UK's hedgerows, woodlands and parks have to offer.

This large shieldbug lives up to its name, bristling with long pale hairs. It's a common sight in parks, hedgerows and woodland edges in much of the UK.

This large anemone is found on rocky shores around the UK and is so called because its green spots and red body means it looks like a strawberry!