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.

This small duck is an uncommon winter visitor to the UK, where they're usually found on lakes, reservoirs and gravel pits.

Spot these tall, prehistoric looking birds standing like a statue on the edge of ponds and lakes, contemplating their next meal.

This hefty diving bird is a winter visitor to the UK, where it can be seen around the coast or occasionally on large inland lakes.