This dainty seaduck is a winter visitor to our coasts, particularly in northern and eastern Scotland.

Look for the small, pink, pea-shaped flowers of Common restharrow on chalk and limestone grasslands, and in coastal areas, during summer.

This long-lived bivalve can be found buried in the sand on the south and west coasts of the UK.

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…

Herb-robert is a low-growing plant, with small, pretty, pink flowers. Look for it in shady spots in woodland, hedgerows and coastal areas.

The rare natterjack toad is found at just a few coastal locations, where it prefers shallow pools on sand dunes, heaths and marshes.

The brown shrimp blends perfectly with its seabed home and is found all around the coasts of the UK.

The Yellow star-of-Bethlehem is a woodland plant that lives up to its name - it displays starry, gold flowers in an umbrella-like cluster in early spring.

The Brown argus favours open, chalk and limestone grasslands, but can also be spotted on coastal dunes, in woodland clearings and along disused railways.

Sea lettuce is unmistakeable - most often a bright green and always translucent, it is found on all UK coasts.