The mountain hare lives in the Scottish Highlands and the north of England. They are renowned for turning white in winter to match their upland surroundings.

The sand lizard is extremely rare due to the loss of its sandy heath and dune habitats. Reintroduction programmes have helped establish new populations.

Great mullein is an impressive, tall plant of waste ground, roadside verges and gardens. Its candle-like flower spikes rise from rosettes of furry, silver-green leaves.

As its name suggests, Red bartsia does have a red tinge to its stem, leaves and small flowers. Look for it on roadside verges, railway cuttings and waste ground in summer.

Soft brome is a tall, annual grass of roadside verges, waste ground and meadows, and is a 'weed' of arable land. It has long, grey-green leaves and loosely clustered flower spikes.

Red-necked grebes occasionally attempt to nest in the UK, but they're more often seen as winter visitors to sheltered coasts.

The Sitka spruce was introduced into the UK from North America in the 19th century. It has been widely planted as a forestry tree; look for classic needle-like leaves and pale brown, domed cones…

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.

One of the longest seaweeds native to the UK, thongweed helps create a beautiful underwater forest to rival that of any on the land!

The undulate ray has beautiful wavy patterns on its back, which helps it camouflage against the sandy seabed.