This dashing diving duck is a winter visitor to the UK's seas, coastal lakes and occasionally inland water bodies.

The long mane of tentacles that stream out from the lion's mane jellyfish is stunning… literally! Look but don't touch when it comes to these jellyfish - they give a powerful sting.

Living up to its name, the common blue damselfly is both very common and very blue. It regularly visits gardens - try digging a wildlife-friendly pond to attract damselflies and dragonflies.

This streaky brown bird is a winter visitor, occasionally found walking around the muddy margins of marshes.