Europe's largest frog is not naturally found in the UK, but was introduced to Kent and has spread throughout the southeast.

A pale member of the violet family sometimes known as ‘milk violet’, the fen violet has a delicate and unassuming appearance. A real specialist of the wetland habitat, this species has seen a…

This beautiful bumblebee favours upland areas, but has declined in recent decades and is now nationally scarce.

This small finch nests on moorlands and coastal crofts, spending the winter on the coast. The UK population has declined dramatically.

The undulate ray has beautiful wavy patterns on its back, which helps it camouflage against the sandy seabed.

The Keeled skimmer is a dragonfly of heaths and commons with shallow pools. It has a skittish and weak flight, and is on the wing in summer and early autumn.

The small white is a common garden visitor. It is smaller than the similar large white, and has less black on its wingtips.

The brown rat has a bad reputation, but it mostly lives side-by-side with us without any problems. It can be seen in any habitat.

Native Oysters are a staple of our seas and our plates - but our love of their taste has lead to a sharp decline all around the UK.

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

The whinchat is a summer visitor to UK heathlands, moorlands and open meadows. It looks similar to the stonechat, but is lighter in colour and has a distinctive pale eyestripe.