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…

Look out for the white, umbrella-like flower heads of lesser water-parsnip along the shallow margins of ditches, ponds, lakes and rivers. When crushed, it does, indeed, smell like parsnip!

The green sandpiper is a very rare breeding bird in the UK, and is mainly seen on migration in autumn. Look out for it feeding around marshes, flooded gravel pits and rivers. It even likes sewage…

Sometimes known as the snipe of the woods, the exquisitely camouflaged woodcock is mainly nocturnal, hiding in the dense undergrowth of woodlands and heathlands during the day.

Reed sweet-grass is a towering grass with large, loose flower heads that can be found on marshy ground near rivers, streams and ponds. It can become invasive, but does shelter various aquatic…

Despite having the familiar sage-green leaves, Wood sage has very little scent, so is not a good cooking herb. It can be found on acidic soils on sand dunes, heaths and cliffs, and along woodland…

These large seals can often be seen bobbing in the sea or lying on beaches waiting for their food to go down.

Arrowhead is an aquatic plant of shallow water and slow-moving waterways. In bloom over summer, it displays small, white flowers, but it is the arrow-shaped leaves that are most distinctive.

This shy fish lives in burrows in muddy seafloors, sometimes sharing them with nephrops.

This rare anemone lives up to its name with a spectacular display of long, white tentacles.