This colourful bug is an increasingly common sight in southeast England.

This striking duck was introduced to the UK and is now established as a breeding bird in England.

The common sandpiper breeds along rivers, and by lakes, reservoirs and lochs in upland Scotland, Northern England and Wales. It can be spotted as a passage migrant at many inland wetlands across…

This moth first arrived in the UK in 2007 and has rapidly spread throughout England.

A fairly large, variable shieldbug found in grassy areas across England and Wales.

Egyptian geese were introduced to Britain from Africa. They are now widespread in southern England.

This pretty, speckled moth is now a rare sight, found only in a few parts of southern England.

The adder's-tongue fern is so-named because the tall stalk that bears its spores is thought to resemble a snake's tongue. An indicator of ancient meadows, it can be found mainly in…