In spring and summer, look out for 'cuckoo-spit' - the frothy mass of bubbles that appears on plant stems everywhere. This is actually the protective covering for the nymphs of the tiny…

The streamlined black-throated diver is a superb swimmer and diver, but not so graceful on land! During the summer, the distinctive black patch on its throat appears, heralding the breeding season…

A common plant of disturbed ground like roadside verges and field edges, the spear thistle has purple, fluffy flower heads that appear in summer. Its flowers attract insects and its seeds feed…

Look out for the small holly blue in your garden or local park. It is the first blue butterfly to emerge in spring, and a second generation appears in summer. The caterpillars are fond of holly…

This dashing diving duck is a winter visitor to the UK's seas, coastal lakes and occasionally inland water bodies.

The loud 'peep-ing' call of an oystercatcher is a recognisable and familiar sound of the seashore. Look out for it hunting on rocky and muddy shores for shellfish to eat. It can also be…

This hefty diving bird is a winter visitor to the UK, where it can be seen around the coast or occasionally on large inland lakes.

A bushy brown seaweed that appears bright blue underwater.

The grey squirrel was introduced into the UK in the 1800s. It provides an easy encounter with wildlife for many people, but can be damaging to woodlands and has contributed to the decline of the…

A large hawker, the Common Hawker can be seen throughout the summer and into autumn. A fast-flying insect, it catches its prey mid-air. Look for it around ponds in the uplands of the north and…