This brilliant red and white sea slug would make the perfect nudibranch for a Christmas card image or perhaps a football team mascot!

A common plant of disturbed ground like roadside verges and field edges, the spear thistle has purple, fluffy flower heads that appear in summer. Its flowers attract insects and its seeds feed…

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

The stately Grass-of-parnassus displays pretty, white flowers with green stripes. Once widespread, it is now declining as its wetland habitats are disappearing.

The magpie is a distinctive moth with striking black and yellow spots on white wings. It is a frequent garden visitor, but also likes woodland, scrub and heathland.

A familiar garden bird, the blue tit can be seen around bird tables and feeders, as well as in woodlands and parks. Listen out for its trilling, 'tsee-tsee-tsee' song. It is smaller than…

The angel's wings fungus grows in overlapping clusters in the coniferous woods of Scotland and north England. Its funnel-like, white caps have no stems.

A familiar garden bird, the great tit can be seen around bird tables and feeders, as well as in woodlands and parks. Listen out for its shrill song that sounds just like a bicycle pump being used…