Our only venomous snake, the shy adder can be spotted basking in the sunshine in woodland glades and on heathlands.

The mistle thrush likely got its name from its love of mistletoe - it will defend a berry-laden tree with extreme ferocity! It is larger and paler than the similar song thrush, standing upright…

One of the only venomous fish to be found in British waters, the lesser weever fish is certainly one to watch out for!

This well-camouflaged woodpecker used to be a common breeding bird in Britain, but is now only likely to be seen passing through on migration.

This gentle giant is the largest shark in UK seas, reaching up to 12m in length. There's no need to fear them though, they only eat plankton!

Considered Britain's most threatened butterfly, the high brown fritillary can be only be found in a few areas of England and Wales.

The bright green ring-necked parakeet is an escapee and our only naturalised parrot; its success is likely due to warmer winters.

This dainty white butterfly is now only found in a few parts of Britain, where it flutters slowly through woodland clearings.

This stunning hermit crab has only returned to our southern shores in recent years. Let us hope it stays for good this time!

The Notch-horned cleg-fly isa horse fly dark grey in colour, with grey-brown mottled wings and intricately striped, iridescent eyes. There are 30 species of horse-fly in the UK; this is one of the…