Etholiad y Senedd 2026
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Speckled wood butterfly - Vicky Nall
A rare breeder in the UK, this sooty-coloured bird is as at home on an industrial site as it is on a rocky cliff face.
The brown shrimp blends perfectly with its seabed home and is found all around the coasts of the UK.
This worm builds its own home out of bits of shell and sand. It can be spotted on the shore all around the UK.
Snakes are often thought of as exotic creatures to be admired (or avoided) on holidays in hotter countries, but Britain is home to three native species of snake.