The oak marble gall wasp produces brown, marble-shaped growths, or 'galls', on oak twigs. Inside the gall, the larvae of the wasp feed on the host tissues, but cause little damage.

Sand eels are a hugely important part of our marine ecosystem. In fact, the fledgling success of our breeding seabirds entirely depends on them.

A medium-sized diving duck, the goldeneye can mainly be spotted in winter when birds fly in from Northern Europe. Conservation efforts have helped small numbers of these birds to nest in Scotland…

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.

The rare heath fritillary was on the brink of extinction in the 1970s, but conservation action turned its fortunes around. It is still confined to a small number of sites in the south of England,…