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…

The red-throated diver lives up to its name - the distinctive red patch on its throat heralds the breeding season. In summer, it nests in Scotland, but look out for it around the UK's coast…

The thick topshell is a common sight on rocky shores in Wales and South West England.

Musk mallow has pretty pink flowers that can be seen along roadside verges, hedgerows and field margins in summer. It lives up to its name, producing a delicate, musky smell that increases indoors…

Rare summer visitors, honey buzzards breed in open woodland where they feed on the nests and larvae of bees and wasps.

The willow tit lives in wet woodland and willow carr in England, Wales and southern Scotland. It is very similar to the marsh tit, but has a distinctive pale panel on its wings.

Common cow-wheat is a delicate annual that brightens up the edges of acid woodland and heaths with deep golden flowers in the summer.