Red squirrels are native to the UK but are a lot rarer than their grey cousins. They live in a few special places across the UK thanks to reintroduction projects.

The papery, translucent, silver 'coins' of Honesty are instantly recognisable. They are actually the leftover seed pods that dangle from the plant through winter.

The bonnet-shaped, violet-blue flowers of Columbine can be spotted in damp areas in woodlands and in fens. It is also an attractive and much-loved garden plant.

The Yellow star-of-Bethlehem is a woodland plant that lives up to its name - it displays starry, gold flowers in an umbrella-like cluster in early spring.

The pungent, rotten smell of Black Horehound makes this medium-sized plant of waste ground and roadside verges stand out from the crowd.

The unpleasant, astringent smell of Hedge woundwort makes this medium-sized plant of woodlands, hedgerows and roadside verges stand out from the crowd.

The common octopus is a highly intelligent, active predator. It even has a secret weapon - special glands produce a venom that it uses to incapacitate its prey!

Fir clubmoss is a primitive plant found in rocky, moorland and mountain habitats. The stems of this tufted, upright fern look like tiny conifers.

Water figwort is a tall plant of riverbanks, pond margins, damp meadows and wet woodlands. Its maroon flowers are pollinated by the Common wasp.

As its name suggests, Sea spurge is found at the coast. It is an attractive plant that displays cup-shaped, greeny-yellow flowers and fleshy, grey-green leaves.