This crab is common around all of the UK. If you've ever been rockpooling or crabbing, it's probably the shore crab that you've met.

This bog-loving butterfly is mostly found in the north of the UK, where it takes to the wing in summer.

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 this weevil on oak trees, where females lay their eggs inside acorns.

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

Their long narrow shells are a common sight on our shores, especially after storms, but the animals themselves live buried in the sand.

A strikingly beautiful fish, it is not hard to see where the ‘red’ mullet gets its name from!

One of our largest soldier beetles, often found on flowers where they hunt other insects.

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.

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…