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.

This beautiful pink fungus appears in late summer and autumn.

A bushy brown seaweed that appears bright blue underwater.

A 'weed' of cultivated and disturbed ground, Round-leaved fluellen is a trailing plant with round leaves and yellow flowers that appear over summer.

Traditionally a coastal species, Lesser sea-spurrey has spread inland, taking advantage of the winter-salting of our roads. Its pink-and-white flowers bloom in summer.

The dark-blue flowers of Common milkwort pepper our grasslands from May to September. It can also appear in pink and white forms.

In mild years, the spring-flowering primrose can appear as early as December. Look out for its pretty, creamy-yellow flowers in woodlands and grasslands.