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.

This birch-loving moth can be seen flying on sunny days in early spring.

When spotting the pintail in winter, look out for the fabulous, long tail feathers that characterise it. This dabbling duck feeds at the water's surface, rather than diving for food.

Living up to its name, the hairy violet is covered in fine hairs. Look for its delicate, violet flowers blooming from March to June on chalk grasslands, in particular.

This impressive beetle digs burrows, lays thousands of eggs and has bee-riding larvae.

You've probably spotted this long-legged spider hiding in the corner of a house or building.

This bog-loving butterfly is mostly found in the north of the UK, where it takes to the wing in summer.

Found around our coasts during the breeding season, the large Sandwich tern can be spotted diving into the sea for fish such as sandeels. It nests in colonies on sand and shingle beaches, and…