The bulbous buttercup has the familiar butter-yellow flowers of its namesake, but grows from a bulb-like 'corm' (a swollen underground stem). Look for it on chalk and limestone…

A plant of chalk and limestone grasslands and sand dunes, Yellow-wort has butter-yellow flowers. Its distinctive leaves sit opposite each other, but are fused together around the stem.

The gudgeon is a bottom-dwelling fish, similar to the stone loach, but with only two whisker-like barbels near its mouth. These sensory organs help it to find its prey in the sand and gravel of…

So-named for its spear-like leaves, Lesser spearwort can be found along the edges of ponds, lakes and streams, and in marshes and wet meadows. As a buttercup, it displays familiar, butter-yellow…

The tops of Oarweed fronds can be spotted floating on low tides. Kelp beds are an important habitat, providing shelter for many other marine creatures.

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 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!