These little critters are related to the woodlice you find in your garden and play a very important role on rocky shores.

The sinuous otter is an excellent swimmer and can be seen hunting in wetlands, rivers and along the coast - try the west coast of Scotland, West Wales, the West Country or East Anglia for the best…

This dashing diving duck is a winter visitor to the UK's seas, coastal lakes and occasionally inland water bodies.

Honey bees are famous for the honey they produce! These easily recognisable little bees are hard workers, living in large hives made of wax honeycombs.

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 diminutive common shrew has a distinctively pointy nose and tiny eyes. It lives life in the fast lane, eating every 2-3 hours to survive, and only living for a year or so. Look out for it in…

The diminutive pygmy shrew has a distinctively pointy nose and tiny eyes. It lives life in the fast lane, eating every 2-3 hours to survive, and only living for a year or so. Look out for it in…

This large round urchin is sometimes found in rockpools, recognisable by its pink spiky shell (known as a test).

Despite its dazzling colouration, this fabulous nudibranch can be easily missed, due to its small size!