Living up to its name, the bullhead has a characteristically large, flattened head and a tapering body. Look out for it in fast-flowing, stony rivers and streams.

The redwing is a winter visitor, enjoying the feast of seasonal berries the UK's hedgerows, gardens and parks have to offer. Look out for the distinctive orangey-red patches under its wings…

The bluefin tuna is a highly migratory fish which roams the oceans. This species will cross oceans, travelling between the Mediterranean Sea and the Gulf of Mexico. They are speedy swimmers,…

As its name suggests, Deadly nightshade is a highly poisonous plant. Its black, shiny berries may be tempting but fatal. Found on chalky and disturbed ground, such as scrub or verges, it has bell-…

A late-blooming flower, Meadow saffron looks like a crocus, displaying similar pink flowers once its leaves have died back. It is a highly poisonous plant of meadows and woodland rides and…

This striking black-and-white moth flies during the day in open woodlands, moorlands, and bogs. It's most common on Scottish moors.