This sponge is found on rocky shores around the UK and looks like a thick bready crust (if you use your imagination a bit!).

This striking day-flying moth is named after a 16th century witch.

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

The upright, blue flower spikes of Viper's-bugloss can be spotted on chalk grassland, sand dunes, cliffs and banks. Its spotted stem is thought to resemble a viper.

This small moth is often disturbed from bushes, but also flies on sunny days.

This large green moth rests with its wings spread, so is sometimes mistaken for a butterfly.

This sooty-black, day-flying moth is active on sunny days, rarely settling in one place for long.

A common moth across most of the UK. The large, hairy caterpillars are often seen in late summer.

This distinctive moth is a common sight in gardens and around houses, where it's often attracted to lights.

The caterpillars of this fluffy white moth are best admired from a distance, as their hairs can irritate the skin.

This pretty, speckled moth is now a rare sight, found only in a few parts of southern England.