With black-and-yellow markings, the hornet mimic hoverfly looks like its namesake, but is harmless to us. This mimicry helps to protect it from predators while it searches for nectar.

The brent goose flies to the UK for the milder winter. Two populations arrive: those with dark bellies can be found around Eastern England; while those with pale bellies can be found in the North…

This large shrike visits the UK in small numbers each year, passing through on migration or spending the winter here.

As the name suggests, this tall, white heron is considerably larger than the similar little egret. Once a rare visitor to the UK, sightings have become more common over the last few decades, with…

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 huge gull can be seen around most of the UK's coasts in summer, with some venturing inland in winter.

This enormous water beetle is as rare as it is impressive.

Nudibranchs, also known as sea slugs, are much like their land-based relatives that you may spot in your garden. But, unlike your regular garden slug, the nudibranch can incorporate the stinging…