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…

These energetic dolphins are often spotted in large groups which will approach boats, bowriding and leaping alongside. At sea, they can form superpods - huge groups made up of thousands of…

A winter visitor, the well-travelled Bewick's swan is the smallest of our swans. It has more black on its yellow-and-black bill than the whooper swan. Look out for it around Eastern England…

This stocky wader is mostly a winter visitor to the UK, where it can be found on rocky, seaweed-covered coasts, often with groups of turnstones.

As its name suggests, the Dwarf thistle is a low-growing plant that is almost stemless - its purple, thistle-like flower heads growing out of a rosette of spiny leaves.