The marsh hair moss is the largest moss in the UK. Look out for it in damp woodland and on boggy heathlands where it forms large, green and spikey 'cushions'.

Heralding spring, a carpet of sunshine-yellow lesser celandine flowers is a joy to see on a woodland walk. Look out for it along hedgerows, in parks and even in graveyards, too, from March onwards…

The common spotted-orchid is the easiest of all our orchids to see: sometimes, so many flowers appear together that they create a pale pink carpet in our woodlands, old quarries, dunes and marshes…

The common green lacewing is a lime green, delicate insect, with translucent, intricately veined wings. It is common in gardens and parks, where it helps to control aphid pests.

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

The clouded yellow is a migrant that arrives here from May onwards. Usually, only small numbers turn up, but some years see mass migrations. It prefers open habitats, particularly chalk grassland…