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.

Pellitory-of-the-wall is a small to medium-sized herb that frequently grows from cracks in old stone walls, pavements, cliffs and banks, and churches and ruins.

With club-shaped leaflets on its fronds, wall-rue is easy to spot as it grows out of crevices in walls. Plant it in your garden rockery to provide cover for insects.

Considered Britain's most threatened butterfly, the high brown fritillary can be only be found in a few areas of England and Wales.

The brown long-eared bat certainly lives up to its name: its ears are nearly as long as its body! Look out for it feeding along hedgerows, and in gardens and woodland.

The Brown-lipped snail comes in many colour forms, but usually has a brown band around the opening of its shell. It prefers damp spots in wide range of habitats, from gardens to grasslands, woods…

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

Nudibranchs, also known as sea slugs, are much like their land-based relatives that you may spot in your garden. But, unlike your regular garden slug, the nudibranch can incorporate the stinging…

Sand eels are a hugely important part of our marine ecosystem. In fact, the fledgling success of our breeding seabirds entirely depends on them.

One of the UK’s rarest marine species, this giant of the rocky shore is a very special fish.

A scarce but distinctive brown seaweed with curved, funnel-shaped fronds. It is a warmer water species at the northern edge of its range on the south coast of England.