This brown seaweed lives in the mid shore and looks a bit like bubble wrap with the distinctive air bladders that give it its name.

Freshwater pearl mussels spend their adult lives nestled in the river bed of fast flowing, rocky streams, filter feeding the water.

This large shieldbug lives up to its name, bristling with long pale hairs. It's a common sight in parks, hedgerows and woodland edges in much of 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 large, dark grey water shrew lives mostly in wetland habitats. It's a good swimmer that hunts for aquatic insects and burrows into the banks.

Red-necked grebes occasionally attempt to nest in the UK, but they're more often seen as winter visitors to sheltered coasts.

The barbastelle is a scarce bat that lives in woodland and forages over a wide area. It has a distinctive 'pug-like' appearance because of its upturned nose.

A low-growing herb of chalk and limestone grassland, Salad burnet lives up to its name - it is a popular addition to salads and smells of cucumber when crushed!