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…

This scarce breeding duck is a summer visitor, spending the winter in Africa. Although large flocks can be found in their wintering grounds, they are usually only seen in pairs or small groups in…

Ground-elder was likely introduced into the UK by the Romans and has since become naturalised. A medium-sized umbellifer, it is an invasive weed of shady places, gardens and roadsides.

Despite its name, Ground-ivy is actually a member of the dead-nettle family. It is a clump-forming, aromatic plant that likes woodlands, hedgerows and damp places.

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.