A breeding bird of fast-flowing, upland rivers, the grey wagtail can also be seen in lowland areas, farmyards and even towns in winter.

This elegant wading bird is a rare visitor to the UK, though occasionally one or two of pairs will nest here.

This wading bird is mainly a visitor on its spring and autumn migration, though a small number nest in Scotland.

The common octopus is a highly intelligent, active predator. It even has a secret weapon - special glands produce a venom that it uses to incapacitate its prey!

The jackdaw is a small, black-capped crow of woodlands, parks, towns and coast. It is a well-known thief, stealing other birds' eggs and breaking into garden feeders.

Selfheal is a low-growing, creeping plant that likes the short turf of grasslands, roadside verges or even lawns. Its clusters of violet flowers appear in summer.

This glossy wading bird is a scarce visitor to the UK, though records have become more common in recent decades.

The porbeagle shark is a member of the shark family Lamnidae, making it one of the closest living relatives of the great white shark.