Did you know your seaside scampi was actually a kind of lobster? Traditionally so - although the scampi that is often eaten with chips can be anything from prawns to fish.

It's easy to see where the blue shark got its name from. These sleek, elegant sharks have beautiful metallic blue backs which provide brilliant camouflage out in the open ocean.

Introduced from Japan in the 19th century, Japanese knotweed is now an invasive non-native plant of many riverbanks, waste grounds and roadside verges, where it prevents native species from…

It's easy to see where the compass jellyfish got its name – its brown markings look just like a compass! They may look beautiful – but they give a nasty sting so keep your distance.

Like many of our birds of prey, the peregrine falcon was so persecuted, numbers fell dramatically. Thankfully, this super-speedy flyer is now making a comeback, particularly in our towns, where it…

The harvest mouse is tiny - an adult can weigh as little as a 2p piece! It prefers habitats with long grass, but you are most likely to spot its round, woven-grass nests.

The grass snake is our longest snake, but don't worry if you find one in the compost heap - it's harmless! Look out for this green and yellow beauty in grasslands and wetlands, too.

The common whelk is the largest sea snail found in UK seas, though you're more likely to find the dry balls of empty whelk egg capsules washed up in strandlines.

A winter visitor, the well-travelled Bewick's swan is the smallest of our swans. It has more black on its yellow-and-black bill than the whooper swan. Look out for it around Eastern England…