Native oysters are a staple of our seas and our plates - but our love of their taste has lead to a sharp decline all around the UK.

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 blue-tailed damselfly does, indeed, have a blue tail. It is one of our most common species and frequents gardens - try digging a wildlife pond to attract dragonflies and damselflies.

The lilac-blue wood blewit grows in woodland and parkland. It is edible and gathering wild food can be fun, but it's best to do it with an expert - pop along to a Wildlife Trust event to try…

Elder is an opportunistic shrub of woods, hedges, scrub, waste and cultivated ground. Its flowers and berries are edible, but it's best to gather wild food with an expert - try it at a…

The attractive roe deer is native to the UK and widespread across woodland, farmland, grassland and heathland habitats. Look for its distinctive pale rump and short antlers.

The Azure damselfly is a pale blue, small damselfly that is commonly found around most waterbodies from May to September. Try digging a wildlife pond in your garden to attract damselflies and…