The last thing you’d expect this extraordinary creature to be is a fish!

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 thresher shark is a migratory species and passes through UK waters in the summer months. If you’re lucky, you might see this magnificent shark jump high out of the water in to the air.

Sea-buckthorn is a spiny, thicket-forming shrub of sand dunes. It's native to the east coast of England but considered an invasive species elsewhere. It is most obvious in autumn when it is…

The brent goose flies to the UK for the milder winter. Two populations arrive: those with dark bellies can be found around Eastern England; while those with pale bellies can be found in the North…

If you were to pick up a rock in the garden, you’d hopefully find a few common woodlouse. These hardy minibeasts have in-built armour and like to hide in warm, moist places like compost heaps.

A key species in the story of conservation, the avocet represents an amazing recovery of a bird once extinct in the UK. This pied bird, with its distinctive upturned bill, can now be seen on…

The collared dove is a pretty little pigeon that is a regular sight in our gardens, woodlands and parks. Listen out for its familiar cooing call, which you may hear before you see the bird itself…

The large, plump woodpigeon is a familiar sight in our gardens and parks, but can also be found on farmland and in woodlands almost everywhere. You may hear its cooing call before you see the bird…