Largely confined to the north of the UK, the rare pine marten is nocturnal and very hard to spot. Reintroductions are helping it make a comeback.

This large, fluffy-looking moth is on the wing in July and August, but you might spot a caterpillar at almost any time of year.

The rose-red breast, large black cap and thick bill make the bullfinch easy to identify. A plump-looking bird of woodlands, hedgerows and orchards, it also frequents gardens.

Related to the massive albatross, the fulmar is a gull-like bird that nests on rocky cliff edges. Don't get too close, though - it spits a foul-smelling oil at intruders.

The house sparrow is a familiar, streaky brown bird of towns, parks and gardens. Males sport a grey cap and black bib, the size of which indicates their status.

An attractive, green-and-yellow bird, the siskin regularly visits birdtables and feeders in gardens. Look for the bright yellow barring on its black wings, and the black crown of the males.

Spot these giants of the bumblebee world during springtime. They can be seen buzzing from flower to flower getting their pollen fix.

These moths can be seen flying on sunny days, but you're more likely to spot the fuzzy caterpillars crawling over paths.

"One for sorrow, two for joy…" is a popular rhyme associated with the magpie - a bird of much myth and legend. An unmistakeable member of the crow family, it can be seen almost anywhere…

The pied wagtail is a familiar bird across town and countryside. Its black-and-white markings and long, wagging tail make it easy to identify as it hops across the road or lawn.

The pink-footed goose is a winter visitor to the UK, feeding on our wetland and farmland habitats. About 360,000 individuals spend the winter here, making it a really important destination for…