One of the UK’s rarest marine species, this giant of the rocky shore is a very special fish.

This unmistakeable moth, famous for its skull-shaped marking, is a rare visitor to the UK.

Did you know we have colourful corals in UK seas? Pink sea fans are a type of horny coral - related to the sea fans found in the tropics. Don't be fooled by their name though, pink sea fans…

Planaria are flatworms in the phylum Platyhelminthes with amazing regeneration abilities giving them the title 'immortal under the edge of a knife'. There are many different species that…

The Carline thistle produces distinctive brown-and-golden flower heads that look like a seeded thistle. These flowers are attractive to a wide range of butterflies, including the very rare Large…

Sea potatoes may have a funny name, but they are perfectly adapted for life in the sand. They are a type of sea urchin that live in a burrow in the sand, feeding on dead animals and plants using…

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.

The European larch was introduced into the UK from Central Europe in the 17th century. Unusually for a conifer, it is deciduous and displays small, greeny-red cones on brittle twigs.