This beautiful butterfly is one of our rarest, now mostly restricted to the western parts of the UK.

Introduced from Japan in the 19th century, Japanese knotweed is now an invasive non-native plant of many riverbanks, waste grounds and roadside verges, where it prevents native species from…

This is a predominantly subtidal species but can be found on the lowest parts of a sheltered rocky shore in summer.

Our largest starfish, the spiny starfish can reach an impressive diameter of 70cm!

These non-native limpets arrived from America in the 19th century and are now widespread in the UK. They form stacks and have a specially adapted shell which, when flipped upside down, looks like…

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

One of our largest soldier beetles, often found on flowers where they hunt other insects.

Introduced into the UK in the 19th century, the diminutive little owl can now be seen along hedgerows, on farmland and in parkland across England and Wales. It often perches on a pole or rock,…