The pied flycatcher is a summer visitor, migrating here from West Africa to breed. Look for this small, black-and-white bird in woodland, parks and gardens, mostly in the west of the UK.

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 stoat is a small mustelid, related to the weasel and otter. It has an orange body, black-tipped tail and distinctive bounding gait. Spot it on grassland, heaths and in woodlands across the UK…

Wild privet is a shrub of hedgerows, woodlands and scrub, but is also a popular garden-hedge plant. It has white flowers in summer and matt-black berries in winter that are very poisonous.

These non-native limpets arrived from America in the 19th century and are now widespread in the UK. They form stacks and have a specially adapted shell which, when flipped upside down, looks like…

Frogbit looks like a mini water-lily as it floats on the surface of ponds, lakes and still waterways. It offers shelter to tadpoles, fish and dragonfly larve.

The tiny, brown-and-white sand martin is a common summer visitor to the UK, nesting in colonies on rivers, lakes and flooded gravel pits. It returns to Africa in winter.

Only a few pairs of snow bunting breed here, so look out for this striking black-and-white bird in winter around Scotland, the North West and the East coast of England.

The black-and-white barnacle goose flies here for the 'warmer' winter from Greenland and Svalbard. This epic journey was once a mystery to people, who thought it hatched from the goose…