The wigeon is a colourful duck that can often be spotted wheeling round our winter skies in large flocks. A dabbling duck, it surface-feeds on plants and seeds in shallow waters.

A spindly tree of heathland and moorlands, and dry and sandy soils, the Silver birch is well known for its paper-thin, white bark. It is a great coloniser and can quickly spread in an area.

The sanderling scampers about the waves looking for marine crustaceans, fish and even jellyfish to eat. It visits the UK in winter from its Arctic breeding grounds, but can also be seen as it…

The palmate newt looks similar to the smooth newt, but favours shallow pools on acidic soils like heathlands. During the breeding season, males grow distinctive black webbing on their hind feet.…

A sprawling plant, wild liquorice often has large, kinked stems. It favours woodland, scrub and grassland habitats on chalky soils - look for pea-like flowers and pods. This liquorice is not…

Herb-Paris has four oval leaves set in a cross, with an understated crown of yellow-green flowers rising from the middle. This makes it quite a distinctive plant of ancient and damp woodlands on…

Looking a bit like a ragged version of a dandelion, mouse-ear hawkweed has lemon-yellow flower heads that are tinged with red at their outer edges. It likes grassy places with short turf and…