The common octopus is a highly intelligent, active predator. It even has a secret weapon - special glands produce a venom that it uses to incapacitate its prey!

A non-native species originating from Asia, the harlequin ladybird is prevalent in towns and gardens.

This purply-brown seaweed is a common feature on our rocky shores and on our dinner plates.

Sika deer were introduced to the UK in the 19th century. They are native to eastern Asia.

Selfheal is a low-growing, creeping plant that likes the short turf of grasslands, roadside verges or even lawns. Its clusters of violet flowers appear in summer.

A voracious predator that will even eat other dragonflies, the golden-ringed dragonfly is the UK's longest species. It can be found around acidic streams in moorland and heathland habitats.…